diff --git a/Gemfile.lock b/Gemfile.lock
index dcb4a74e239..cd1855758b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -116,23 +116,8 @@ GEM
       activemodel (>= 3.2.0)
       activesupport (>= 3.2.0)
       json (>= 1.7)
-    celluloid (0.17.2)
-      celluloid-essentials
-      celluloid-extras
-      celluloid-fsm
-      celluloid-pool
-      celluloid-supervision
-      timers (>= 4.1.1)
-    celluloid-essentials (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-extras (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-fsm (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-pool (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-supervision (0.20.5)
-      timers (>= 4.1.1)
+    celluloid (0.16.0)
+      timers (~> 4.0.0)
     charlock_holmes (0.7.3)
     chunky_png (1.3.5)
     cliver (0.3.2)
@@ -757,7 +742,7 @@ GEM
     thor (0.19.1)
     thread_safe (0.3.5)
     tilt (1.4.1)
-    timers (4.1.1)
+    timers (4.0.4)
       hitimes
     timfel-krb5-auth (0.8.3)
     tinder (1.10.1)
diff --git a/app/assets/stylesheets/framework.scss b/app/assets/stylesheets/framework.scss
index 1ec9d2fd84f..48a4971c8fc 100644
--- a/app/assets/stylesheets/framework.scss
+++ b/app/assets/stylesheets/framework.scss
@@ -1,9 +1,9 @@
 @import "framework/fonts";
 @import "framework/variables";
 @import "framework/mixins";
-@import "framework/layout";
 @import 'framework/tw_bootstrap_variables';
 @import 'framework/tw_bootstrap';
+@import "framework/layout";
 
 @import "framework/avatar.scss";
 @import "framework/blocks.scss";
@@ -25,6 +25,7 @@
 @import "framework/markdown_area.scss";
 @import "framework/mobile.scss";
 @import "framework/pagination.scss";
+@import "framework/panels.scss";
 @import "framework/selects.scss";
 @import "framework/sidebar.scss";
 @import "framework/tables.scss";
diff --git a/app/assets/stylesheets/framework/blocks.scss b/app/assets/stylesheets/framework/blocks.scss
index 1635df9c97b..8836c8b666b 100644
--- a/app/assets/stylesheets/framework/blocks.scss
+++ b/app/assets/stylesheets/framework/blocks.scss
@@ -68,6 +68,10 @@
   .oneline {
     line-height: 42px;
   }
+
+  > p:last-child {
+    margin-bottom: 0;
+  }
 }
 
 .cover-block {
@@ -114,3 +118,7 @@
     right: 10px;
   }
 }
+
+.block-connector {
+  margin-top: -1px;
+}
diff --git a/app/assets/stylesheets/framework/common.scss b/app/assets/stylesheets/framework/common.scss
index 1c7c31b02a9..d2f491daf78 100644
--- a/app/assets/stylesheets/framework/common.scss
+++ b/app/assets/stylesheets/framework/common.scss
@@ -7,7 +7,7 @@
 
 /** COMMON CLASSES **/
 .prepend-top-10 { margin-top:10px }
-.prepend-top-default { margin-top: $gl-padding; }
+.prepend-top-default { margin-top: $gl-padding !important; }
 .prepend-top-20 { margin-top:20px }
 .prepend-left-10 { margin-left:10px }
 .prepend-left-20 { margin-left:20px }
@@ -52,6 +52,10 @@ pre {
   }
 }
 
+hr {
+  margin: $gl-padding 0;
+}
+
 .dropdown-menu > li > a {
   text-shadow: none;
 }
@@ -429,3 +433,7 @@ table {
 .space-right {
   margin-right: 10px;
 }
+
+.alert, .progress {
+  margin-bottom: $gl-padding;
+}
diff --git a/app/assets/stylesheets/framework/files.scss b/app/assets/stylesheets/framework/files.scss
index 35db00281e5..6bf2857e83a 100644
--- a/app/assets/stylesheets/framework/files.scss
+++ b/app/assets/stylesheets/framework/files.scss
@@ -8,7 +8,6 @@
   border: none;
   border-top: 1px solid #E7E9EE;
   border-bottom: 1px solid #E7E9EE;
-  margin-bottom: 1em;
 
   &.readme-holder {
     border-bottom: 0;
@@ -25,7 +24,7 @@
     text-shadow: 0 1px 1px #fff;
     margin: 0;
     text-align: left;
-    padding: 10px 15px;
+    padding: 10px $gl-padding;
 
     .file-actions {
       float: right;
@@ -171,4 +170,3 @@
     }
   }
 }
-
diff --git a/app/assets/stylesheets/framework/forms.scss b/app/assets/stylesheets/framework/forms.scss
index 0edfe24f195..cc92966c458 100644
--- a/app/assets/stylesheets/framework/forms.scss
+++ b/app/assets/stylesheets/framework/forms.scss
@@ -22,9 +22,10 @@ input[type='text'].danger {
 }
 
 .form-actions {
-  padding: 17px 20px 18px;
-  margin-top: 18px;
-  margin-bottom: 18px;
+  margin: -$gl-padding;
+  margin-top: 0;
+  margin-bottom: -$gl-padding;
+  padding: $gl-padding;
   background-color: $background-color;
   border-top: 1px solid $border-color;
 }
@@ -73,6 +74,8 @@ label {
 
 .form-control {
   @include box-shadow(none);
+  height: 42px;
+  padding: 8px $gl-padding;
 }
 
 .wiki-content {
@@ -92,3 +95,7 @@ label {
     background-color: #f7f8fa;
   }
 }
+
+.help-block {
+  margin-bottom: 0;
+}
diff --git a/app/assets/stylesheets/framework/issue_box.scss b/app/assets/stylesheets/framework/issue_box.scss
index 93377e45e70..f12d68b5a1f 100644
--- a/app/assets/stylesheets/framework/issue_box.scss
+++ b/app/assets/stylesheets/framework/issue_box.scss
@@ -7,8 +7,9 @@
 .issue-box {
   @include border-radius(2px);
 
-  display: inline-block;
-  padding: 10px $gl-padding;
+  display: block;
+  float: left;
+  padding: 0 $gl-padding;
   font-weight: normal;
   margin-right: 10px;
   font-size: $gl-font-size;
diff --git a/app/assets/stylesheets/framework/layout.scss b/app/assets/stylesheets/framework/layout.scss
index b91c15d8910..a60940a8bee 100644
--- a/app/assets/stylesheets/framework/layout.scss
+++ b/app/assets/stylesheets/framework/layout.scss
@@ -2,10 +2,10 @@ html {
   overflow-y: scroll;
 
   &.touch .tooltip { display: none !important; }
+}
 
-  body {
-    padding-top: $header-height;
-  }
+body {
+  background-color: #EAEBEC !important;
 }
 
 .container {
@@ -18,6 +18,7 @@ html {
 }
 
 .navless-container {
+  padding-top: $header-height;
   margin-top: 30px;
 }
 
diff --git a/app/assets/stylesheets/framework/panels.scss b/app/assets/stylesheets/framework/panels.scss
new file mode 100644
index 00000000000..406aff3d72c
--- /dev/null
+++ b/app/assets/stylesheets/framework/panels.scss
@@ -0,0 +1,15 @@
+.panel {
+  margin-bottom: $gl-padding;
+  
+  .panel-heading {
+    padding: 10px $gl-padding;
+  }
+  .panel-body {
+    padding: $gl-padding;
+
+    .form-actions {
+      margin: -$gl-padding;
+      margin-top: $gl-padding;
+    }
+  }
+}
diff --git a/app/assets/stylesheets/framework/sidebar.scss b/app/assets/stylesheets/framework/sidebar.scss
index c1b0129c866..81cda68b94c 100644
--- a/app/assets/stylesheets/framework/sidebar.scss
+++ b/app/assets/stylesheets/framework/sidebar.scss
@@ -1,4 +1,6 @@
 .page-with-sidebar {
+  padding-top: $header-height;
+
   .sidebar-wrapper {
     position: fixed;
     top: 0;
@@ -18,15 +20,12 @@
 }
 
 .content-wrapper {
-  min-height: 100vh;
   width: 100%;
   padding: 20px;
-  background: #EAEBEC;
 
   .container-fluid {
     background: #FFF;
     padding: $gl-padding;
-    min-height: 90vh;
 
     &.container-blank {
       background: none;
diff --git a/app/assets/stylesheets/framework/tables.scss b/app/assets/stylesheets/framework/tables.scss
index 66e16e8df75..793ab3d9bb9 100644
--- a/app/assets/stylesheets/framework/tables.scss
+++ b/app/assets/stylesheets/framework/tables.scss
@@ -6,6 +6,8 @@
 
 table {
   &.table {
+    margin-bottom: $gl-padding;
+    
     .dropdown-menu a {
       text-decoration: none;
     }
diff --git a/app/assets/stylesheets/framework/typography.scss b/app/assets/stylesheets/framework/typography.scss
index 2c4a58c8db1..aef338cfa56 100644
--- a/app/assets/stylesheets/framework/typography.scss
+++ b/app/assets/stylesheets/framework/typography.scss
@@ -181,6 +181,10 @@ body {
   line-height: 1.3;
   font-size: 1.25em;
   font-weight: 600;
+
+  &:last-child {
+    margin-bottom: 0;
+  }
 }
 
 .page-title-empty {
diff --git a/app/assets/stylesheets/pages/commit.scss b/app/assets/stylesheets/pages/commit.scss
index a0e5f7554ed..17245d3be7b 100644
--- a/app/assets/stylesheets/pages/commit.scss
+++ b/app/assets/stylesheets/pages/commit.scss
@@ -2,10 +2,6 @@
   display: block;
 }
 
-.commit-title{
-  margin-bottom: 10px;
-}
-
 .commit-author, .commit-committer{
   display: block;
   color: #999;
@@ -41,6 +37,8 @@
 .commit-box {
   .commit-title {
     margin: 0;
+    font-size: 23px;
+    color: #313236;
   }
 
   .commit-description {
@@ -108,16 +106,3 @@
     z-index: 2;
   }
 }
-
-.commit-ci-menu {
-  padding: 0;
-  margin: 0;
-  list-style: none;
-  margin-top: 5px;
-  height: 56px;
-  margin: -16px;
-  padding: 16px;
-  text-align: center;
-  margin-top: 0px;
-  margin-bottom: 2px;
-}
diff --git a/app/assets/stylesheets/pages/editor.scss b/app/assets/stylesheets/pages/editor.scss
index e2c521af91e..39d916cd336 100644
--- a/app/assets/stylesheets/pages/editor.scss
+++ b/app/assets/stylesheets/pages/editor.scss
@@ -19,48 +19,38 @@
       color: #B94A48;
     }
   }
-  .commit-button-annotation {
-    display: inline-block;
-    margin: 0;
-    padding: 2px;
-
-    > * {
-      float: left;
-    }
-
-    .message {
-      display: inline-block;
-      margin: 5px 8px 0 8px;
-    }
-  }
 
   .file-title {
     @extend .monospace;
+
+    line-height: 42px;
+    padding-top: 7px;
+    padding-bottom: 7px;
   }
 
   .editor-ref {
     background: $background-color;
-    padding: 11px 15px;
+    padding-right: $gl-padding;
     border-right: 1px solid $border-color;
-    display: inline-block;
-    margin: -5px -5px;
+    display: block;
+    float: left;
     margin-right: 10px;
   }
 
   .editor-file-name {
-    .new-file-name {
-      display: inline-block;
-      width: 450px;
-    }
-
-    .form-control {
-      margin-top: -3px;
-    }
+    @extend .monospace;
+    
+    float: left;
+    margin-right: 10px;
   }
 
-  .form-actions {
-    margin: -$gl-padding;
-    margin-top: 0;
-    padding: $gl-padding
+  .new-file-name {
+    display: inline-block;
+    width: 450px;
+    float: left;
+  }
+
+  .select2 {
+    float: right;
   }
 }
diff --git a/app/assets/stylesheets/pages/issuable.scss b/app/assets/stylesheets/pages/issuable.scss
index 3a08ee70bc7..51d8e5b4657 100644
--- a/app/assets/stylesheets/pages/issuable.scss
+++ b/app/assets/stylesheets/pages/issuable.scss
@@ -51,11 +51,12 @@
 
 .issuable-details {
   .page-title {
-    margin-top: -15px;
-    padding: 10px 0;
+    margin-top: -$gl-padding;
+    padding: 7px 0;
     margin-bottom: 0;
     color: #5c5d5e;
     font-size: 16px;
+    line-height: 42px;
 
     .author {
       color: #5c5d5e;
diff --git a/app/assets/stylesheets/pages/login.scss b/app/assets/stylesheets/pages/login.scss
index 83b866c3a64..edd51705136 100644
--- a/app/assets/stylesheets/pages/login.scss
+++ b/app/assets/stylesheets/pages/login.scss
@@ -1,5 +1,7 @@
 /* Login Page */
 .login-page {
+  background-color: white;
+  
   .container {
     max-width: 960px;
   }
diff --git a/app/assets/stylesheets/pages/merge_requests.scss b/app/assets/stylesheets/pages/merge_requests.scss
index 08e4bcdf529..017a86bcd9a 100644
--- a/app/assets/stylesheets/pages/merge_requests.scss
+++ b/app/assets/stylesheets/pages/merge_requests.scss
@@ -4,7 +4,6 @@
  */
 .mr-state-widget {
   background: #F7F8FA;
-  margin-bottom: 20px;
   color: $gl-gray;
   border: 1px solid #dce0e6;
   @include border-radius(2px);
@@ -87,7 +86,7 @@
   .mr-widget-body,
   .ci_widget,
   .mr-widget-footer {
-    padding: 15px;
+    padding: $gl-padding;
   }
 
   .normal {
@@ -116,26 +115,8 @@
   }
 }
 
-.merge-request .merge-request-tabs {
-  @include nav-menu;
-  margin: -$gl-padding;
-  padding: $gl-padding;
-  text-align: center;
-  margin-bottom: 1px;
-}
-
-// Mobile
-@media (max-width: 480px) {
-  .merge-request .merge-request-tabs {
-    margin: 0;
-    padding: 0;
-
-    li {
-      a {
-        padding: 0;
-      }
-    }
-  }
+.merge-request-details {
+  margin-bottom: $gl-padding;
 }
 
 .mr_source_commit,
diff --git a/app/assets/stylesheets/pages/note_form.scss b/app/assets/stylesheets/pages/note_form.scss
index 268fc995aa7..e1a72af0013 100644
--- a/app/assets/stylesheets/pages/note_form.scss
+++ b/app/assets/stylesheets/pages/note_form.scss
@@ -7,6 +7,7 @@
 }
 .reply-btn {
   @extend .btn-primary;
+  margin: 10px $gl-padding;
 }
 .diff-file .diff-content {
   tr.line_holder:hover {
@@ -38,9 +39,8 @@
 }
 
 .new_note, .edit_note {
-  .buttons {
-    margin-top: 8px;
-    margin-bottom: 3px;
+  .note-form-actions {
+    margin-top: $gl-padding;
   }
 
   .note-preview-holder {
@@ -79,8 +79,8 @@
   padding: $gl-padding;
   margin-left: -$gl-padding;
   margin-right: -$gl-padding;
-  border-right: 1px solid #ECEEF1;
-  border-top: 1px solid #ECEEF1;
+  border-right: 1px solid $border-color;
+  border-top: 1px solid $border-color;
   margin-bottom: -$gl-padding;
 }
 
@@ -150,7 +150,6 @@
 
   .discussion-reply-holder {
     background: $background-color;
-    padding: 10px 15px;
     border-top: 1px solid $border-color;
   }
 }
diff --git a/app/assets/stylesheets/pages/projects.scss b/app/assets/stylesheets/pages/projects.scss
index 4a0fe546844..9d5b62c75d3 100644
--- a/app/assets/stylesheets/pages/projects.scss
+++ b/app/assets/stylesheets/pages/projects.scss
@@ -18,10 +18,6 @@
   }
 }
 
-.project-edit-content {
-  padding: 7px;
-}
-
 .project-name-holder {
   .help-inline {
     vertical-align: top;
@@ -30,12 +26,6 @@
 }
 
 .project-home-panel {
-  text-align: center;
-  background: #f7f8fa;
-  margin: -$gl-padding;
-  padding: $gl-padding;
-  padding: 44px 0 17px 0;
-
   .project-identicon-holder {
     margin-bottom: 16px;
 
@@ -105,7 +95,6 @@
     display: inline-table;
     position: relative;
     top: 17px;
-    margin-bottom: 44px;
   }
 
   .project-repo-buttons {
@@ -376,7 +365,7 @@ table.table.protected-branches-list tr.no-border {
 
 .project-stats {
   text-align: center;
-  margin-top: 15px;
+  margin-top: $gl-padding;
   margin-bottom: 0;
   padding-top: 10px;
   padding-bottom: 4px;
diff --git a/app/assets/stylesheets/pages/snippets.scss b/app/assets/stylesheets/pages/snippets.scss
index 242783a7b7e..bb74e50151d 100644
--- a/app/assets/stylesheets/pages/snippets.scss
+++ b/app/assets/stylesheets/pages/snippets.scss
@@ -27,56 +27,22 @@
 }
 
 .snippet-holder {
-  .snippet-details {
-    .page-title {
-      margin-top: -15px;
-      padding: 10px 0;
-      margin-bottom: 0;
-      color: #5c5d5e;
-      font-size: 16px;
-
-      .author {
-        color: #5c5d5e;
-      }
-
-      .snippet-id {
-        color: #5c5d5e;
-      }
-    }
-
-    .snippet-title {
-      margin: 0;
-      font-size: 23px;
-      color: #313236;
-    }
-
-    @media (max-width: $screen-md-max) {
-      .new-snippet-link {
-        display: none;
-      }
-    }
-
-    @media (max-width: $screen-sm-max) {
-      .creator,
-      .page-title .btn-close {
-        display: none;
-      }
-    }
-  }
+  margin-bottom: -$gl-padding;
 
   .file-holder {
     border-top: 0;
   }
 }
 
-
 .snippet-box {
   @include border-radius(2px);
 
-  display: inline-block;
-  padding: 10px $gl-padding;
+  display: block;
+  float: left;
+  padding: 0 $gl-padding;
   font-weight: normal;
   margin-right: 10px;
   font-size: $gl-font-size;
   border: 1px solid;
+  line-height: 40px;
 }
diff --git a/app/controllers/admin/impersonation_controller.rb b/app/controllers/admin/impersonation_controller.rb
index 0382402afa6..bf98af78615 100644
--- a/app/controllers/admin/impersonation_controller.rb
+++ b/app/controllers/admin/impersonation_controller.rb
@@ -5,14 +5,20 @@ class Admin::ImpersonationController < Admin::ApplicationController
   before_action :authorize_impersonator!
 
   def create
-    session[:impersonator_id] = current_user.username
-    session[:impersonator_return_to] = request.env['HTTP_REFERER']
+    if @user.blocked?
+      flash[:alert] = "You cannot impersonate a blocked user"
 
-    warden.set_user(user, scope: 'user')
+      redirect_to admin_user_path(@user)
+    else
+      session[:impersonator_id] = current_user.username
+      session[:impersonator_return_to] = admin_user_path(@user)
 
-    flash[:alert] = "You are impersonating #{user.username}."
+      warden.set_user(user, scope: 'user')
 
-    redirect_to root_path
+      flash[:alert] = "You are impersonating #{user.username}."
+
+      redirect_to root_path
+    end
   end
 
   def destroy
diff --git a/app/helpers/blob_helper.rb b/app/helpers/blob_helper.rb
index 77d99140c43..df5f5fae23c 100644
--- a/app/helpers/blob_helper.rb
+++ b/app/helpers/blob_helper.rb
@@ -60,7 +60,7 @@ module BlobHelper
     if Gitlab::MarkupHelper.previewable?(filename)
       'Preview'
     else
-      'Preview changes'
+      'Preview Changes'
     end
   end
 
diff --git a/app/helpers/commits_helper.rb b/app/helpers/commits_helper.rb
index 9df20c9fce5..590d20ac7b3 100644
--- a/app/helpers/commits_helper.rb
+++ b/app/helpers/commits_helper.rb
@@ -109,7 +109,7 @@ module CommitsHelper
         )
       elsif @path.present?
         return link_to(
-          "Browse Dir »",
+          "Browse Directory »",
           namespace_project_tree_path(project.namespace, project,
                                       tree_join(commit.id, @path)),
           class: "pull-right"
@@ -117,7 +117,7 @@ module CommitsHelper
       end
     end
     link_to(
-      "Browse Code »",
+      "Browse Files »",
       namespace_project_tree_path(project.namespace, project, commit),
       class: "pull-right"
     )
diff --git a/app/helpers/diff_helper.rb b/app/helpers/diff_helper.rb
index bfd3622a6a9..24134310fc5 100644
--- a/app/helpers/diff_helper.rb
+++ b/app/helpers/diff_helper.rb
@@ -146,9 +146,9 @@ module DiffHelper
   def submodule_link(blob, ref, repository = @repository)
     tree, commit = submodule_links(blob, ref, repository)
     commit_id = if commit.nil?
-                  blob.id[0..10]
+                  Commit.truncate_sha(blob.id)
                 else
-                  link_to "#{blob.id[0..10]}", commit
+                  link_to Commit.truncate_sha(blob.id), commit
                 end
 
     [
diff --git a/app/models/project_services/buildkite_service.rb b/app/models/project_services/buildkite_service.rb
index 40058b53df5..199ee3a9d0d 100644
--- a/app/models/project_services/buildkite_service.rb
+++ b/app/models/project_services/buildkite_service.rb
@@ -37,7 +37,7 @@ class BuildkiteService < CiService
   def compose_service_hook
     hook = service_hook || build_service_hook
     hook.url = webhook_url
-    hook.enable_ssl_verification = enable_ssl_verification
+    hook.enable_ssl_verification = !!enable_ssl_verification
     hook.save
   end
 
diff --git a/app/models/project_services/drone_ci_service.rb b/app/models/project_services/drone_ci_service.rb
index 127684bd274..06c3922593c 100644
--- a/app/models/project_services/drone_ci_service.rb
+++ b/app/models/project_services/drone_ci_service.rb
@@ -34,7 +34,7 @@ class DroneCiService < CiService
     hook = service_hook || build_service_hook
     # If using a service template, project may not be available
     hook.url = [drone_url, "/api/hook", "?owner=#{project.namespace.path}", "&name=#{project.path}", "&access_token=#{token}"].join if project
-    hook.enable_ssl_verification = enable_ssl_verification
+    hook.enable_ssl_verification = !!enable_ssl_verification
     hook.save
   end
 
diff --git a/app/models/user.rb b/app/models/user.rb
index e1144ca77be..719b49b16fe 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -690,7 +690,7 @@ class User < ActiveRecord::Base
   end
 
   def starred?(project)
-    starred_projects.exists?(project)
+    starred_projects.exists?(project.id)
   end
 
   def toggle_star(project)
@@ -794,4 +794,9 @@ class User < ActiveRecord::Base
     Gitlab::SQL::Union.new([personal_projects.select(:id), groups.select(:id),
                             other.select(:id)])
   end
+
+  # Added according to https://github.com/plataformatec/devise/blob/7df57d5081f9884849ca15e4fde179ef164a575f/README.md#activejob-integration
+  def send_devise_notification(notification, *args)
+    devise_mailer.send(notification, self, *args).deliver_later
+  end
 end
diff --git a/app/views/admin/labels/_label.html.haml b/app/views/admin/labels/_label.html.haml
index 596e06243dd..e3ccbf6c3a8 100644
--- a/app/views/admin/labels/_label.html.haml
+++ b/app/views/admin/labels/_label.html.haml
@@ -2,4 +2,4 @@
   = render_colored_label(label)
   .pull-right
     = link_to 'Edit', edit_admin_label_path(label), class: 'btn btn-sm'
-    = link_to 'Remove', admin_label_path(label), class: 'btn btn-sm btn-remove remove-row', method: :delete, remote: true, data: {confirm: "Remove this label? Are you sure?"}
+    = link_to 'Delete', admin_label_path(label), class: 'btn btn-sm btn-remove remove-row', method: :delete, remote: true, data: {confirm: "Delete this label? Are you sure?"}
diff --git a/app/views/admin/users/_head.html.haml b/app/views/admin/users/_head.html.haml
index 8d1cab4137c..5e17b018163 100644
--- a/app/views/admin/users/_head.html.haml
+++ b/app/views/admin/users/_head.html.haml
@@ -6,7 +6,7 @@
     %span.cred (Admin)
 
   .pull-right
-    - unless @user == current_user
+    - unless @user == current_user || @user.blocked?
       = link_to 'Impersonate', impersonate_admin_user_path(@user), method: :post, class: "btn btn-grouped btn-info"
     = link_to edit_admin_user_path(@user), class: "btn btn-grouped" do
       %i.fa.fa-pencil-square-o
diff --git a/app/views/ci/notify/build_fail_email.html.haml b/app/views/ci/notify/build_fail_email.html.haml
index b0aaea89075..de6291aa914 100644
--- a/app/views/ci/notify/build_fail_email.html.haml
+++ b/app/views/ci/notify/build_fail_email.html.haml
@@ -7,7 +7,7 @@
     = @project.name
 
 %p
-  Commit: #{link_to @build.short_sha, namespace_project_commit_path(@build.gl_project.namespace, @build.gl_project, @build.sha)}
+  Commit: #{link_to @build.short_sha, namespace_project_commit_url(@build.gl_project.namespace, @build.gl_project, @build.sha)}
 %p
   Author: #{@build.commit.git_author_name}
 %p
diff --git a/app/views/dashboard/groups/index.html.haml b/app/views/dashboard/groups/index.html.haml
index f3f3f58111e..d5b7e729e7b 100644
--- a/app/views/dashboard/groups/index.html.haml
+++ b/app/views/dashboard/groups/index.html.haml
@@ -8,8 +8,8 @@
       = link_to new_group_path, class: "btn btn-new" do
         %i.fa.fa-plus
         New Group
-  .title Welcome to the groups!
-  Group members have access to all group projects.
+  .oneline
+    Group members have access to all group projects.
 
 %ul.content-list
   - @group_members.each do |group_member|
diff --git a/app/views/explore/projects/_filter.html.haml b/app/views/explore/projects/_filter.html.haml
index 2761272aa8a..28b12c8dca8 100644
--- a/app/views/explore/projects/_filter.html.haml
+++ b/app/views/explore/projects/_filter.html.haml
@@ -3,7 +3,7 @@
     .form-group
       = search_field_tag :search, params[:search], placeholder: "Filter by name", class: "form-control search-text-input", id: "projects_search", spellcheck: false
     .form-group
-      = button_tag 'Search', class: "btn btn-success"
+      = button_tag 'Search', class: "btn"
 
 .pull-right.hidden-sm.hidden-xs
   - if current_user
diff --git a/app/views/import/bitbucket/status.html.haml b/app/views/import/bitbucket/status.html.haml
index 1f09a27e2d6..aec2e836c9f 100644
--- a/app/views/import/bitbucket/status.html.haml
+++ b/app/views/import/bitbucket/status.html.haml
@@ -1,4 +1,5 @@
 - page_title "Bitbucket import"
+- header_title "Projects", root_path
 %h3.page-title
   %i.fa.fa-bitbucket
   Import projects from Bitbucket
diff --git a/app/views/import/fogbugz/new.html.haml b/app/views/import/fogbugz/new.html.haml
index e1bb88ca4ed..5515fad6f48 100644
--- a/app/views/import/fogbugz/new.html.haml
+++ b/app/views/import/fogbugz/new.html.haml
@@ -1,4 +1,5 @@
 - page_title "FogBugz Import"
+- header_title "Projects", root_path
 %h3.page-title
   %i.fa.fa-bug
   Import projects from FogBugz
diff --git a/app/views/import/fogbugz/new_user_map.html.haml b/app/views/import/fogbugz/new_user_map.html.haml
index bc3c90294e3..07338736bac 100644
--- a/app/views/import/fogbugz/new_user_map.html.haml
+++ b/app/views/import/fogbugz/new_user_map.html.haml
@@ -1,4 +1,5 @@
 - page_title 'User map', 'FogBugz import'
+- header_title "Projects", root_path
 %h3.page-title
   %i.fa.fa-bug
   Import projects from FogBugz
diff --git a/app/views/import/fogbugz/status.html.haml b/app/views/import/fogbugz/status.html.haml
index b902006597b..6ee16c8be4b 100644
--- a/app/views/import/fogbugz/status.html.haml
+++ b/app/views/import/fogbugz/status.html.haml
@@ -1,4 +1,5 @@
 - page_title "FogBugz import"
+- header_title "Projects", root_path
 %h3.page-title
   %i.fa.fa-bug
   Import projects from FogBugz
diff --git a/app/views/import/github/status.html.haml b/app/views/import/github/status.html.haml
index 0699321c8c0..1416ee5bd5a 100644
--- a/app/views/import/github/status.html.haml
+++ b/app/views/import/github/status.html.haml
@@ -1,4 +1,5 @@
 - page_title "GitHub import"
+- header_title "Projects", root_path
 %h3.page-title
   %i.fa.fa-github
   Import projects from GitHub
diff --git a/app/views/import/gitlab/status.html.haml b/app/views/import/gitlab/status.html.haml
index f4a2b33af21..911a55eb85d 100644
--- a/app/views/import/gitlab/status.html.haml
+++ b/app/views/import/gitlab/status.html.haml
@@ -1,4 +1,5 @@
 - page_title "GitLab.com import"
+- header_title "Projects", root_path
 %h3.page-title
   %i.fa.fa-heart
   Import projects from GitLab.com
diff --git a/app/views/import/gitorious/status.html.haml b/app/views/import/gitorious/status.html.haml
index 71752d21efa..6b0fa1edf8c 100644
--- a/app/views/import/gitorious/status.html.haml
+++ b/app/views/import/gitorious/status.html.haml
@@ -1,4 +1,5 @@
 - page_title "Gitorious import"
+- header_title "Projects", root_path
 %h3.page-title
   %i.icon-gitorious.icon-gitorious-big
   Import projects from Gitorious.org
diff --git a/app/views/import/google_code/new.html.haml b/app/views/import/google_code/new.html.haml
index 9c64e0a009f..5d2f149cd5f 100644
--- a/app/views/import/google_code/new.html.haml
+++ b/app/views/import/google_code/new.html.haml
@@ -1,4 +1,5 @@
 - page_title "Google Code import"
+- header_title "Projects", root_path
 %h3.page-title
   %i.fa.fa-google
   Import projects from Google Code
@@ -6,7 +7,7 @@
 
 = form_tag callback_import_google_code_path, class: 'form-horizontal', multipart: true do
   %p
-    Follow the steps below to export your Google Code project data. 
+    Follow the steps below to export your Google Code project data.
     In the next step, you'll be able to select the projects you want to import.
   %ol
     %li
diff --git a/app/views/import/google_code/new_user_map.html.haml b/app/views/import/google_code/new_user_map.html.haml
index e53ebda7dc1..0738b3db1eb 100644
--- a/app/views/import/google_code/new_user_map.html.haml
+++ b/app/views/import/google_code/new_user_map.html.haml
@@ -1,4 +1,5 @@
 - page_title "User map", "Google Code import"
+- header_title "Projects", root_path
 %h3.page-title
   %i.fa.fa-google
   Import projects from Google Code
@@ -8,31 +9,31 @@
   %p
     Customize how Google Code email addresses and usernames are imported into GitLab.
     In the next step, you'll be able to select the projects you want to import.
-  %p 
+  %p
     The user map is a JSON document mapping the Google Code users that participated on your projects to the way their email addresses and usernames will be imported into GitLab. You can change this by changing the value on the right hand side of <code>:</code>. Be sure to preserve the surrounding double quotes, other punctuation and the email address or username on the left hand side.
   %ul
     %li
       %strong Default: Directly import the Google Code email address or username
       %p
-        <code>"johnsmith@example.com": "johnsm...@example.com"</code> 
-        will add "By johnsm...@example.com" to all issues and comments originally created by johnsmith@example.com. 
+        <code>"johnsmith@example.com": "johnsm...@example.com"</code>
+        will add "By johnsm...@example.com" to all issues and comments originally created by johnsmith@example.com.
         The email address or username is masked to ensure the user's privacy.
     %li
       %strong Map a Google Code user to a GitLab user
       %p
-        <code>"johnsmith@example.com": "@johnsmith"</code> 
-        will add "By <a href="#">@johnsmith</a>" to all issues and comments originally created by johnsmith@example.com, 
+        <code>"johnsmith@example.com": "@johnsmith"</code>
+        will add "By <a href="#">@johnsmith</a>" to all issues and comments originally created by johnsmith@example.com,
         and will set <a href="#">@johnsmith</a> as the assignee on all issues originally assigned to johnsmith@example.com.
     %li
       %strong Map a Google Code user to a full name
       %p
-        <code>"johnsmith@example.com": "John Smith"</code> 
+        <code>"johnsmith@example.com": "John Smith"</code>
         will add "By John Smith" to all issues and comments originally created by johnsmith@example.com.
     %li
       %strong Map a Google Code user to a full email address
       %p
-        <code>"johnsmith@example.com": "johnsmith@example.com"</code> 
-        will add "By <a href="#">johnsmith@example.com</a>" to all issues and comments originally created by johnsmith@example.com. 
+        <code>"johnsmith@example.com": "johnsmith@example.com"</code>
+        will add "By <a href="#">johnsmith@example.com</a>" to all issues and comments originally created by johnsmith@example.com.
         By default, the email address or username is masked to ensure the user's privacy. Use this option if you want to show the full email address.
 
   .form-group
diff --git a/app/views/import/google_code/status.html.haml b/app/views/import/google_code/status.html.haml
index 8c64fd27e60..175ef6921cd 100644
--- a/app/views/import/google_code/status.html.haml
+++ b/app/views/import/google_code/status.html.haml
@@ -1,4 +1,5 @@
 - page_title "Google Code import"
+- header_title "Projects", root_path
 %h3.page-title
   %i.fa.fa-google
   Import projects from Google Code
diff --git a/app/views/profiles/applications.html.haml b/app/views/profiles/applications.html.haml
index 2342936a5d5..0436c2213da 100644
--- a/app/views/profiles/applications.html.haml
+++ b/app/views/profiles/applications.html.haml
@@ -15,24 +15,25 @@
       .pull-right
         = link_to 'New Application', new_oauth_application_path, class: 'btn btn-success'
     - if @applications.any?
-      %table.table.table-striped
-        %thead
-          %tr
-            %th Name
-            %th Callback URL
-            %th Clients
-            %th
-            %th
-        %tbody
-          - @applications.each do |application|
-            %tr{:id => "application_#{application.id}"}
-              %td= link_to application.name, oauth_application_path(application)
-              %td
-                - application.redirect_uri.split.each do |uri|
-                  %div= uri
-              %td= application.access_tokens.count
-              %td= link_to 'Edit', edit_oauth_application_path(application), class: 'btn btn-link btn-sm'
-              %td= render 'doorkeeper/applications/delete_form', application: application
+      .table-holder
+        %table.table.table-striped
+          %thead
+            %tr
+              %th Name
+              %th Callback URL
+              %th Clients
+              %th
+              %th
+          %tbody
+            - @applications.each do |application|
+              %tr{:id => "application_#{application.id}"}
+                %td= link_to application.name, oauth_application_path(application)
+                %td
+                  - application.redirect_uri.split.each do |uri|
+                    %div= uri
+                %td= application.access_tokens.count
+                %td= link_to 'Edit', edit_oauth_application_path(application), class: 'btn btn-link btn-sm'
+                %td= render 'doorkeeper/applications/delete_form', application: application
 
 .oauth-authorized-applications.prepend-top-20
   - if user_oauth_applications?
@@ -40,29 +41,30 @@
       Authorized applications
 
   - if @authorized_tokens.any?
-    %table.table.table-striped
-      %thead
-        %tr
-          %th Name
-          %th Authorized At
-          %th Scope
-          %th
-      %tbody
-        - @authorized_apps.each do |app|
-          - token = app.authorized_tokens.order('created_at desc').first
-          %tr{:id => "application_#{app.id}"}
-            %td= app.name
-            %td= token.created_at
-            %td= token.scopes
-            %td= render 'doorkeeper/authorized_applications/delete_form', application: app
-        - @authorized_anonymous_tokens.each do |token|
+    .table-holder
+      %table.table.table-striped
+        %thead
           %tr
-            %td
-              Anonymous
-              %div.help-block
-                %em Authorization was granted by entering your username and password in the application.
-            %td= token.created_at
-            %td= token.scopes
-            %td= render 'doorkeeper/authorized_applications/delete_form', token: token
+            %th Name
+            %th Authorized At
+            %th Scope
+            %th
+        %tbody
+          - @authorized_apps.each do |app|
+            - token = app.authorized_tokens.order('created_at desc').first
+            %tr{:id => "application_#{app.id}"}
+              %td= app.name
+              %td= token.created_at
+              %td= token.scopes
+              %td= render 'doorkeeper/authorized_applications/delete_form', application: app
+          - @authorized_anonymous_tokens.each do |token|
+            %tr
+              %td
+                Anonymous
+                %div.help-block
+                  %em Authorization was granted by entering your username and password in the application.
+              %td= token.created_at
+              %td= token.scopes
+              %td= render 'doorkeeper/authorized_applications/delete_form', token: token
   - else
     %p.light You don't have any authorized applications
diff --git a/app/views/profiles/keys/_key_table.html.haml b/app/views/profiles/keys/_key_table.html.haml
index ef0075aad3b..8c9d546af4c 100644
--- a/app/views/profiles/keys/_key_table.html.haml
+++ b/app/views/profiles/keys/_key_table.html.haml
@@ -1,6 +1,6 @@
 - is_admin = defined?(admin) ? true : false
-.panel.panel-default
-  - if @keys.any?
+- if @keys.any?
+  .table-holder
     %table.table
       %thead.panel-heading
         %tr
@@ -11,9 +11,9 @@
       %tbody
         - @keys.each do |key|
           = render 'profiles/keys/key', key: key, is_admin: is_admin
-  - else
-    .nothing-here-block
-      - if is_admin
-        User has no ssh keys
-      - else
-        There are no SSH keys with access to your account.
+- else
+  .nothing-here-block
+    - if is_admin
+      User has no ssh keys
+    - else
+      There are no SSH keys with access to your account.
diff --git a/app/views/profiles/keys/index.html.haml b/app/views/profiles/keys/index.html.haml
index 14adba1c797..17a4195030e 100644
--- a/app/views/profiles/keys/index.html.haml
+++ b/app/views/profiles/keys/index.html.haml
@@ -3,7 +3,9 @@
 
 .gray-content-block.top-block
   .pull-right
-    = link_to "Add SSH Key", new_profile_key_path, class: "btn btn-new"
+    = link_to new_profile_key_path, class: "btn btn-new" do
+      = icon('plus')
+      Add SSH Key
   .oneline
     Before you can add an SSH key you need to
     = link_to "generate it.", help_page_path("ssh", "README")
diff --git a/app/views/profiles/notifications/show.html.haml b/app/views/profiles/notifications/show.html.haml
index 8eebd96b674..0bcadc965fa 100644
--- a/app/views/profiles/notifications/show.html.haml
+++ b/app/views/profiles/notifications/show.html.haml
@@ -50,12 +50,10 @@
             Watch
           %p You will receive notifications for any activity
 
-  .form-actions
+  .gray-content-block
     = f.submit 'Save changes', class: "btn btn-create"
 
-.clearfix
-  %hr
-.row.all-notifications
+.row.all-notifications.prepend-top-default
   .col-md-6
     %p
       You can also specify notification level per group or per project.
diff --git a/app/views/projects/_readme.html.haml b/app/views/projects/_readme.html.haml
index b5ef0aca540..d1191928d4f 100644
--- a/app/views/projects/_readme.html.haml
+++ b/app/views/projects/_readme.html.haml
@@ -7,15 +7,16 @@
       = cache(readme_cache_key) do
         = render_readme(readme)
 - else
-  %h3.page-title
-    This project does not have README yet
-  - if can?(current_user, :push_code, @project)
-    %p.slead
-      A
-      %code README
-      file contains information about other files in a repository and is commonly
-      distributed with computer software, forming part of its documentation.
-      %br
-      We recommend you to
-      = link_to "add README", new_readme_path, class: 'underlined-link'
-      file to the repository and GitLab will render it here instead of this message.
+  .gray-content-block.second-block.center
+    %h3.page-title
+      This project does not have README yet
+    - if can?(current_user, :push_code, @project)
+      %p
+        A
+        %code README
+        file contains information about other files in a repository and is commonly
+        distributed with computer software, forming part of its documentation.
+      %p
+        We recommend you to
+        = link_to "add README", new_readme_path, class: 'underlined-link'
+        file to the repository and GitLab will render it here instead of this message.
diff --git a/app/views/projects/blame/show.html.haml b/app/views/projects/blame/show.html.haml
index 6518c4173e1..8d9ec068a43 100644
--- a/app/views/projects/blame/show.html.haml
+++ b/app/views/projects/blame/show.html.haml
@@ -6,7 +6,7 @@
 #tree-holder.tree-holder
   .file-holder
     .file-title
-      %i.fa.fa-file
+      = blob_icon @blob.mode, @blob.name
       %strong
         = @path
       %small= number_to_human_size @blob.size
@@ -43,4 +43,3 @@
                   - blame_group[:lines].each do |line|
                     :erb
                       <%= highlight(@blob.name, line, nowrap: true, continue: true).html_safe %>
-
diff --git a/app/views/projects/blob/_editor.html.haml b/app/views/projects/blob/_editor.html.haml
index f1ad0c3c403..333f5d470ed 100644
--- a/app/views/projects/blob/_editor.html.haml
+++ b/app/views/projects/blob/_editor.html.haml
@@ -1,19 +1,19 @@
-.file-holder.file
-  .file-title
+.file-holder.file.append-bottom-default
+  .file-title.clearfix
     .editor-ref
-      %i.fa.fa-code-fork
+      = icon('code-fork')
       = ref
     %span.editor-file-name
-      - if @path
-        %span.monospace
-          = @path
+      = @path
 
-      - if current_action?(:new) || current_action?(:create)
+    - if current_action?(:new) || current_action?(:create)
+      %span.editor-file-name
         \/
-        = text_field_tag 'file_name', params[:file_name], placeholder: "File name",
-          required: true, class: 'form-control new-file-name js-quick-submit'
-      .pull-right
-        = select_tag :encoding, options_for_select([ "base64", "text" ], "text"), class: 'form-control'
+      = text_field_tag 'file_name', params[:file_name], placeholder: "File name",
+        required: true, class: 'form-control new-file-name js-quick-submit'
+
+    .pull-right
+      = select_tag :encoding, options_for_select([ "base64", "text" ], "text"), class: 'select2'
 
   .file-content.code
     %pre.js-edit-mode-pane#editor
diff --git a/app/views/projects/blob/edit.html.haml b/app/views/projects/blob/edit.html.haml
index 56745165251..a47fe7ede80 100644
--- a/app/views/projects/blob/edit.html.haml
+++ b/app/views/projects/blob/edit.html.haml
@@ -5,12 +5,12 @@
   %ul.center-top-menu.no-bottom.js-edit-mode
     %li.active
       = link_to '#editor' do
-        %i.fa.fa-edit
-        Edit file
+        = icon('edit')
+        Edit File
 
     %li
       = link_to '#preview', 'data-preview-url' => namespace_project_preview_blob_path(@project.namespace, @project, @id) do
-        %i.fa.fa-eye
+        = icon('eye')
         = editing_preview_title(@blob.name)
 
   = form_tag(namespace_project_update_blob_path(@project.namespace, @project, @id), method: :put, class: 'form-horizontal js-requires-input js-edit-blob-form') do
diff --git a/app/views/projects/branches/_commit.html.haml b/app/views/projects/branches/_commit.html.haml
index 22d77dda938..9fe65cbb104 100644
--- a/app/views/projects/branches/_commit.html.haml
+++ b/app/views/projects/branches/_commit.html.haml
@@ -1,5 +1,5 @@
 .branch-commit
-  = link_to commit.short_id, namespace_project_commit_path(project.namespace, project, commit), class: "commit-id"
+  = link_to commit.short_id, namespace_project_commit_path(project.namespace, project, commit), class: "commit-id monospace"
   &middot;
   %span.str-truncated
     = link_to_gfm commit.title, namespace_project_commit_path(project.namespace, project, commit.id), class: "commit-row-message"
diff --git a/app/views/projects/branches/index.html.haml b/app/views/projects/branches/index.html.haml
index 03ade02a0c8..204def60794 100644
--- a/app/views/projects/branches/index.html.haml
+++ b/app/views/projects/branches/index.html.haml
@@ -5,7 +5,7 @@
   .pull-right
     - if can? current_user, :push_code, @project
       = link_to new_namespace_project_branch_path(@project.namespace, @project), class: 'btn btn-create' do
-        %i.fa.fa-add-sign
+        = icon('plus')
         New branch
       &nbsp;
     .dropdown.inline
diff --git a/app/views/projects/commit/_ci_menu.html.haml b/app/views/projects/commit/_ci_menu.html.haml
index c73ba74f5ef..76dc87a8824 100644
--- a/app/views/projects/commit/_ci_menu.html.haml
+++ b/app/views/projects/commit/_ci_menu.html.haml
@@ -1,4 +1,4 @@
-%ul.center-top-menu.commit-ci-menu
+%ul.center-top-menu.no-top.no-bottom.commit-ci-menu
   = nav_link(path: 'commit#show') do
     = link_to namespace_project_commit_path(@project.namespace, @project, @commit.id) do
       Changes
diff --git a/app/views/projects/commit/_commit_box.html.haml b/app/views/projects/commit/_commit_box.html.haml
index 776768537d0..d8bfe6a07ac 100644
--- a/app/views/projects/commit/_commit_box.html.haml
+++ b/app/views/projects/commit/_commit_box.html.haml
@@ -13,8 +13,9 @@
         - unless @commit.parents.length > 1
           %li= link_to "Email Patches", namespace_project_commit_path(@project.namespace, @project, @commit, format: :patch)
         %li= link_to "Plain Diff",    namespace_project_commit_path(@project.namespace, @project, @commit, format: :diff)
-    = link_to namespace_project_tree_path(@project.namespace, @project, @commit), class: "btn btn-primary btn-grouped" do
-      %span Browse Code »
+    = link_to namespace_project_tree_path(@project.namespace, @project, @commit), class: "btn btn-grouped" do
+      = icon('files-o')
+      Browse Files
   %div
 
 %p
diff --git a/app/views/projects/commit/show.html.haml b/app/views/projects/commit/show.html.haml
index 85e203cbe57..069b8b1f169 100644
--- a/app/views/projects/commit/show.html.haml
+++ b/app/views/projects/commit/show.html.haml
@@ -1,6 +1,9 @@
 - page_title "#{@commit.title} (#{@commit.short_id})", "Commits"
 = render "projects/commits/header_title"
 = render "commit_box"
-= render "ci_menu" if @ci_commit
+- if @ci_commit
+  = render "ci_menu"
+- else
+  %div.block-connector
 = render "projects/diffs/diffs", diffs: @diffs, project: @project
 = render "projects/notes/notes_with_form"
diff --git a/app/views/projects/compare/show.html.haml b/app/views/projects/compare/show.html.haml
index 39755efd2fd..51088a7dea8 100644
--- a/app/views/projects/compare/show.html.haml
+++ b/app/views/projects/compare/show.html.haml
@@ -7,11 +7,11 @@
   = render "form"
 
 - if @commits.present?
-  .prepend-top-20
+  .prepend-top-default
     = render "projects/commits/commit_list"
     = render "projects/diffs/diffs", diffs: @diffs, project: @project
 - else
-  .light-well.prepend-top-20
+  .light-well.prepend-top-default
     .center
       %h4
         There isn't anything to compare.
diff --git a/app/views/projects/diffs/_diffs.html.haml b/app/views/projects/diffs/_diffs.html.haml
index 416fb4da071..f9d661d59d2 100644
--- a/app/views/projects/diffs/_diffs.html.haml
+++ b/app/views/projects/diffs/_diffs.html.haml
@@ -3,7 +3,7 @@
 
 - diff_files = safe_diff_files(diffs)
 
-.gray-content-block.second-block.oneline-block
+.gray-content-block.middle-block.oneline-block
   .inline-parallel-buttons
     .btn-group
       = inline_diff_btn
diff --git a/app/views/projects/diffs/_file.html.haml b/app/views/projects/diffs/_file.html.haml
index c745b4e69bf..b3392d00e01 100644
--- a/app/views/projects/diffs/_file.html.haml
+++ b/app/views/projects/diffs/_file.html.haml
@@ -2,19 +2,27 @@
   .diff-header{id: "file-path-#{hexdigest(diff_file.file_path)}"}
     - if diff_file.diff.submodule?
       %span
+        = icon('archive fw')
         - submodule_item = project.repository.blob_at(@commit.id, diff_file.file_path)
-        = submodule_link(submodule_item, @commit.id, project.repository)
+        %strong
+          = submodule_link(submodule_item, @commit.id, project.repository)
     - else
       %span
+        = blob_icon blob.mode, blob.name
+        = link_to "#diff-#{i}" do
+          %strong
+            = diff_file.new_path
+
         - if diff_file.deleted_file
-          = "#{diff_file.old_path} deleted"
+          deleted
         - elsif diff_file.renamed_file
-          = "#{diff_file.old_path} renamed to #{diff_file.new_path}"
-        - else
-          = diff_file.new_path
+          renamed from
+          %strong
+            = diff_file.old_path
 
         - if diff_file.mode_changed?
-          %span.file-mode= "#{diff_file.diff.a_mode} → #{diff_file.diff.b_mode}"
+          %small
+            = "#{diff_file.diff.a_mode} → #{diff_file.diff.b_mode}"
 
       .diff-controls
         - if blob.text?
diff --git a/app/views/projects/empty.html.haml b/app/views/projects/empty.html.haml
index c3858e78cad..950ab33825e 100644
--- a/app/views/projects/empty.html.haml
+++ b/app/views/projects/empty.html.haml
@@ -5,17 +5,16 @@
 
 = render "home_panel"
 
-.gray-content-block.center
+.gray-content-block.second-block.center
   %h3.page-title
     The repository for this project is empty
-  - if can?(current_user, :download_code, @project)
+  - if can?(current_user, :push_code, @project)
     %p
       If you already have files you can push them using command line instructions below.
-      %br
-      - if can?(current_user, :push_code, @project)
-        Otherwise you can start with
-        = link_to "adding README", new_readme_path, class: 'underlined-link'
-        file to this project.
+    %p
+      Otherwise you can start with
+      = link_to "adding README", new_readme_path, class: 'underlined-link'
+      file to this project.
 
 - if can?(current_user, :download_code, @project)
   .prepend-top-20
diff --git a/app/views/projects/labels/_label.html.haml b/app/views/projects/labels/_label.html.haml
index c6ebfa281a1..b70a9fc9fe5 100644
--- a/app/views/projects/labels/_label.html.haml
+++ b/app/views/projects/labels/_label.html.haml
@@ -7,4 +7,4 @@
 
     - if can? current_user, :admin_label, @project
       = link_to 'Edit', edit_namespace_project_label_path(@project.namespace, @project, label), class: 'btn btn-sm'
-      = link_to 'Remove', namespace_project_label_path(@project.namespace, @project, label), class: 'btn btn-sm btn-remove remove-row', method: :delete, remote: true, data: {confirm: "Remove this label? Are you sure?"}
+      = link_to 'Delete', namespace_project_label_path(@project.namespace, @project, label), class: 'btn btn-sm btn-remove remove-row', method: :delete, remote: true, data: {confirm: "Remove this label? Are you sure?"}
diff --git a/app/views/projects/labels/index.html.haml b/app/views/projects/labels/index.html.haml
index fb784ee5f4f..9081bcfe9b3 100644
--- a/app/views/projects/labels/index.html.haml
+++ b/app/views/projects/labels/index.html.haml
@@ -4,6 +4,7 @@
 .gray-content-block.top-block
   - if can? current_user, :admin_label, @project
     = link_to new_namespace_project_label_path(@project.namespace, @project), class: "pull-right btn btn-new" do
+      = icon('plus')
       New label
   .oneline
     Labels can be applied to issues and merge requests.
diff --git a/app/views/projects/merge_requests/_discussion.html.haml b/app/views/projects/merge_requests/_discussion.html.haml
index 2b3c3eff5e4..4a192aeb2cd 100644
--- a/app/views/projects/merge_requests/_discussion.html.haml
+++ b/app/views/projects/merge_requests/_discussion.html.haml
@@ -7,7 +7,7 @@
 
 = render 'shared/show_aside'
 
-.gray-content-block.second-block.oneline-block
+.gray-content-block.middle-block.oneline-block
   .row
     .col-md-9
       .votes-holder.pull-right
diff --git a/app/views/projects/merge_requests/_new_compare.html.haml b/app/views/projects/merge_requests/_new_compare.html.haml
index d9eff1f9320..6def9d6266f 100644
--- a/app/views/projects/merge_requests/_new_compare.html.haml
+++ b/app/views/projects/merge_requests/_new_compare.html.haml
@@ -37,7 +37,7 @@
         %h4 Compare failed
         %p We can't compare selected branches. It may be because of huge diff. Please try again or select different branches.
     - else
-      .light-well.append-bottom-10
+      .light-well.append-bottom-default
         .center
           %h4
             There isn't anything to merge.
@@ -86,4 +86,3 @@
       return;
     }
   });
-
diff --git a/app/views/projects/merge_requests/_new_submit.html.haml b/app/views/projects/merge_requests/_new_submit.html.haml
index 6244d3ba0b4..72132344c88 100644
--- a/app/views/projects/merge_requests/_new_submit.html.haml
+++ b/app/views/projects/merge_requests/_new_submit.html.haml
@@ -19,7 +19,7 @@
     = f.hidden_field :target_branch
 
 .mr-compare.merge-request
-  %ul.merge-request-tabs
+  %ul.merge-request-tabs.center-top-menu.no-top.no-bottom
     %li.commits-tab
       = link_to url_for(params), data: {target: '#commits', action: 'commits', toggle: 'tab'} do
         Commits
@@ -31,7 +31,7 @@
 
   .tab-content
     #commits.commits.tab-pane
-      = render "projects/commits/commits", project: @project
+      = render "projects/merge_requests/show/commits"
     #diffs.diffs.tab-pane.active
       - if @diffs.present?
         = render "projects/diffs/diffs", diffs: @diffs, project: @project
@@ -57,4 +57,3 @@
     diffs_loaded: true,
     commits_loaded: true
   });
-
diff --git a/app/views/projects/merge_requests/_show.html.haml b/app/views/projects/merge_requests/_show.html.haml
index eeaa72ed21b..e7eb0066594 100644
--- a/app/views/projects/merge_requests/_show.html.haml
+++ b/app/views/projects/merge_requests/_show.html.haml
@@ -8,7 +8,7 @@
   .merge-request-details.issuable-details
     = render "projects/merge_requests/show/mr_title"
     = render "projects/merge_requests/show/mr_box"
-    .append-bottom-20.mr-source-target.prepend-top-default
+    .append-bottom-default.mr-source-target.prepend-top-default
       - if @merge_request.open?
         .pull-right
           - if @merge_request.source_branch_exists?
@@ -40,7 +40,7 @@
           = link_to "command line", "#modal_merge_info", class: "how_to_merge_link vlink", title: "How To Merge", "data-toggle" => "modal"
 
   - if @commits.present?
-    %ul.merge-request-tabs
+    %ul.merge-request-tabs.center-top-menu.no-top.no-bottom
       %li.notes-tab
         = link_to namespace_project_merge_request_path(@project.namespace, @project, @merge_request), data: {target: '#notes', action: 'notes', toggle: 'tab'} do
           Discussion
diff --git a/app/views/projects/merge_requests/show/_commits.html.haml b/app/views/projects/merge_requests/show/_commits.html.haml
index 478054db517..7f904ec42a0 100644
--- a/app/views/projects/merge_requests/show/_commits.html.haml
+++ b/app/views/projects/merge_requests/show/_commits.html.haml
@@ -1,4 +1,4 @@
-.gray-content-block.second-block.oneline-block
+.gray-content-block.middle-block.oneline-block
   = icon("sort-amount-desc")
   Most recent commits displayed first
 
diff --git a/app/views/projects/milestones/_milestone.html.haml b/app/views/projects/milestones/_milestone.html.haml
index 5e93d55b1fb..334172b976f 100644
--- a/app/views/projects/milestones/_milestone.html.haml
+++ b/app/views/projects/milestones/_milestone.html.haml
@@ -31,4 +31,4 @@
         = link_to 'Close Milestone', namespace_project_milestone_path(@project.namespace, @project, milestone, milestone: {state_event: :close }), method: :put, remote: true, class: "btn btn-xs btn-close"
         = link_to namespace_project_milestone_path(milestone.project.namespace, milestone.project, milestone), data: { confirm: 'Are you sure?' }, method: :delete, class: "btn btn-xs btn-remove" do
           %i.fa.fa-trash-o
-          Remove
+          Delete
diff --git a/app/views/projects/milestones/show.html.haml b/app/views/projects/milestones/show.html.haml
index 3a898dfbcfd..eab5333ca29 100644
--- a/app/views/projects/milestones/show.html.haml
+++ b/app/views/projects/milestones/show.html.haml
@@ -23,7 +23,7 @@
         = link_to 'Reopen Milestone', namespace_project_milestone_path(@project.namespace, @project, @milestone, milestone: {state_event: :activate }), method: :put, class: "btn btn-reopen btn-grouped"
       = link_to namespace_project_milestone_path(@project.namespace, @project, @milestone), data: { confirm: 'Are you sure?' }, method: :delete, class: "btn btn-grouped btn-remove" do
         %i.fa.fa-trash-o
-        Remove
+        Delete
 
 %hr
 - if @milestone.issues.any? && @milestone.can_be_closed?
diff --git a/app/views/projects/releases/edit.html.haml b/app/views/projects/releases/edit.html.haml
index f516b65ecd0..bc80f2f29ad 100644
--- a/app/views/projects/releases/edit.html.haml
+++ b/app/views/projects/releases/edit.html.haml
@@ -14,6 +14,6 @@
       = render 'projects/zen', f: f, attr: :description, classes: 'description js-quick-submit form-control'
       = render 'projects/notes/hints'
       .error-alert
-      .prepend-top-default
+      .form-actions.prepend-top-default
         = f.submit 'Save changes', class: 'btn btn-save'
         = link_to "Cancel", namespace_project_tag_path(@project.namespace, @project, @tag.name), class: "btn btn-default btn-cancel"
diff --git a/app/views/projects/repositories/_download_archive.html.haml b/app/views/projects/repositories/_download_archive.html.haml
index 07c24950ee2..b9486a9b492 100644
--- a/app/views/projects/repositories/_download_archive.html.haml
+++ b/app/views/projects/repositories/_download_archive.html.haml
@@ -3,10 +3,10 @@
 - split_button = split_button || false
 - if split_button == true
   %span.btn-group{class: btn_class}
-    = link_to archive_namespace_project_repository_path(@project.namespace, @project, ref: ref, format: 'zip'), class: 'btn btn-success col-xs-10', rel: 'nofollow' do
+    = link_to archive_namespace_project_repository_path(@project.namespace, @project, ref: ref, format: 'zip'), class: 'btn col-xs-10', rel: 'nofollow' do
       %i.fa.fa-download
       %span Download zip
-    %a.col-xs-2.btn.btn-success.dropdown-toggle{ 'data-toggle' => 'dropdown' }
+    %a.col-xs-2.btn.dropdown-toggle{ 'data-toggle' => 'dropdown' }
       %span.caret
       %span.sr-only
         Select Archive Format
diff --git a/app/views/projects/show.html.haml b/app/views/projects/show.html.haml
index 585caf674c9..9c7a5584da9 100644
--- a/app/views/projects/show.html.haml
+++ b/app/views/projects/show.html.haml
@@ -11,7 +11,7 @@
 
 = render "home_panel"
 
-.project-stats.gray-content-block
+.project-stats.gray-content-block.second-block
   %ul.nav.nav-pills
     %li
       = link_to namespace_project_commits_path(@project.namespace, @project, current_ref) do
diff --git a/app/views/projects/tags/index.html.haml b/app/views/projects/tags/index.html.haml
index 85d76eae3b5..760347de0a9 100644
--- a/app/views/projects/tags/index.html.haml
+++ b/app/views/projects/tags/index.html.haml
@@ -6,7 +6,7 @@
   - if can? current_user, :push_code, @project
     .pull-right
       = link_to new_namespace_project_tag_path(@project.namespace, @project), class: 'btn btn-create new-tag-btn' do
-        %i.fa.fa-add-sign
+        = icon('plus')
         New tag
   .oneline
     Tags give the ability to mark specific points in history as being important
diff --git a/app/views/projects/tree/_tree_content.html.haml b/app/views/projects/tree/_tree_content.html.haml
index c64e684df26..1bc90edd8f0 100644
--- a/app/views/projects/tree/_tree_content.html.haml
+++ b/app/views/projects/tree/_tree_content.html.haml
@@ -12,7 +12,7 @@
               %i.fa.fa-angle-right
               &nbsp;
               %small.light
-                = link_to @commit.short_id, namespace_project_commit_path(@project.namespace, @project, @commit)
+                = link_to @commit.short_id, namespace_project_commit_path(@project.namespace, @project, @commit), class: "monospace"
                 &ndash;
                 = truncate(@commit.title, length: 50)
             = link_to 'History', namespace_project_commits_path(@project.namespace, @project, @id), class: 'pull-right'
diff --git a/app/views/shared/issuable/_context.html.haml b/app/views/shared/issuable/_context.html.haml
index be66256c7b0..f1646b4ce64 100644
--- a/app/views/shared/issuable/_context.html.haml
+++ b/app/views/shared/issuable/_context.html.haml
@@ -1,5 +1,5 @@
 = form_for [@project.namespace.becomes(Namespace), @project, issuable], remote: true, html: {class: 'issuable-context-form inline-update js-issuable-update'} do |f|
-  %div.prepend-top-20
+  %div.prepend-top-default
     .issuable-context-title
       %label
         Assignee:
@@ -11,7 +11,7 @@
       - if can?(current_user, :"admin_#{issuable.to_ability_name}", @project)
         = users_select_tag("#{issuable.class.table_name.singularize}[assignee_id]", placeholder: 'Select assignee', class: 'custom-form-control js-select2 js-assignee', selected: issuable.assignee_id, project: @target_project, null_user: true, current_user: true)
 
-  %div.prepend-top-20.clearfix
+  %div.prepend-top-default.clearfix
     .issuable-context-title
       %label
         Milestone:
@@ -31,7 +31,7 @@
 
   - if current_user
     - subscribed = issuable.subscribed?(current_user)
-    %div.prepend-top-20.clearfix
+    %div.prepend-top-default.clearfix
       .issuable-context-title
         %label
           Subscription:
diff --git a/app/views/shared/issuable/_form.html.haml b/app/views/shared/issuable/_form.html.haml
index 0fc74d7d2b1..7558b37f83f 100644
--- a/app/views/shared/issuable/_form.html.haml
+++ b/app/views/shared/issuable/_form.html.haml
@@ -93,7 +93,8 @@
         %p.help-block
         = link_to 'Change branches', mr_change_branches_path(@merge_request)
 
-.form-actions
+- is_footer = !(issuable.is_a?(MergeRequest) && issuable.new_record?)
+.gray-content-block{class: (is_footer ? "footer-block" : "middle-block")}
   - if !issuable.project.empty_repo? && (guide_url = contribution_guide_path(issuable.project)) && !issuable.persisted?
     %p
       Please review the
diff --git a/app/views/shared/snippets/_header.html.haml b/app/views/shared/snippets/_header.html.haml
index 0a4a790ec5e..35241029288 100644
--- a/app/views/shared/snippets/_header.html.haml
+++ b/app/views/shared/snippets/_header.html.haml
@@ -1,9 +1,9 @@
-.snippet-details
+.issuable-details
   .page-title
     .snippet-box{class: visibility_level_color(@snippet.visibility_level)}
       = visibility_level_icon(@snippet.visibility_level)
       = visibility_level_label(@snippet.visibility_level)
-    %span.snippet-id Snippet ##{@snippet.id}
+    Snippet ##{@snippet.id}
     %span.creator
       &middot; created by #{link_to_member(@project, @snippet.author, size: 24)}
       &middot;
@@ -19,6 +19,7 @@
         = render "projects/snippets/actions"
       - else
         = render "snippets/actions"
+
   .gray-content-block.middle-block
-    %h2.snippet-title
+    %h2.issue-title
       = gfm escape_once(@snippet.title)
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 317b113e100..909526605a1 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -32,7 +32,7 @@ Rails.application.configure do
   # config.force_ssl = true
 
   # See everything in the log (default is :info)
-  # config.log_level = :debug
+  config.log_level = :info
 
   # Suppress 'Rendered template ...' messages in the log
   # source: http://stackoverflow.com/a/16369363
diff --git a/doc/permissions/permissions.md b/doc/permissions/permissions.md
index 8d4c2ceab7d..bcd00cfc6bf 100644
--- a/doc/permissions/permissions.md
+++ b/doc/permissions/permissions.md
@@ -6,6 +6,9 @@ If a user is both in a project group and in the project itself, the highest perm
 
 If a user is a GitLab administrator they receive all permissions.
 
+On public projects the Guest role is not enforced.  
+All users will be able to create issues, leave comments, and pull or download the project code.  
+
 To add or import a user, you can follow the [project users and members
 documentation](doc/workflow/add-user/add-user.md).
 
@@ -15,8 +18,8 @@ documentation](doc/workflow/add-user/add-user.md).
 |---------------------------------------|---------|------------|-------------|----------|--------|
 | Create new issue                      | ✓       | ✓          | ✓           | ✓        | ✓      |
 | Leave comments                        | ✓       | ✓          | ✓           | ✓        | ✓      |
-| Pull project code                     | ✓        | ✓          | ✓           | ✓        | ✓      |
-| Download project                      | ✓        | ✓          | ✓           | ✓        | ✓      |
+| Pull project code                     |         | ✓          | ✓           | ✓        | ✓      |
+| Download project                      |         | ✓          | ✓           | ✓        | ✓      |
 | Create code snippets                  |         | ✓          | ✓           | ✓        | ✓      |
 | Manage issue tracker                  |         | ✓          | ✓           | ✓        | ✓      |
 | Manage labels                         |         | ✓          | ✓           | ✓        | ✓      |
diff --git a/doc/update/patch_versions.md b/doc/update/patch_versions.md
index 593722eb01f..957354decb7 100644
--- a/doc/update/patch_versions.md
+++ b/doc/update/patch_versions.md
@@ -6,7 +6,8 @@ For example from 7.14.0 to 7.14.3, also see the [semantic versioning specificati
 ### 0. Backup
 
 It's useful to make a backup just in case things go south:
-(With MySQL, this may require granting "LOCK TABLES" privileges to the GitLab user on the database version)
+(With MySQL, this may require granting "LOCK TABLES" privileges to the GitLab
+user on the database version)
 
 ```bash
 cd /home/git/gitlab
@@ -15,19 +16,23 @@ sudo -u git -H bundle exec rake gitlab:backup:create RAILS_ENV=production
 
 ### 1. Stop server
 
-    sudo service gitlab stop
+```bash
+sudo service gitlab stop
+```
 
 ### 2. Get latest code for the stable branch
 
+In the commands below, replace `LATEST_TAG` with the latest GitLab tag you want
+to update to, for example `v8.0.3`. Use `git tag -l 'v*.[0-9]' --sort='v:refname'`
+to see a list of all tags. Make sure to update patch versions only (check your
+current version with `cat VERSION`).
+
 ```bash
 cd /home/git/gitlab
 sudo -u git -H git fetch --all
 sudo -u git -H git checkout -- Gemfile.lock db/schema.rb
 sudo -u git -H git checkout LATEST_TAG -b LATEST_TAG
 ```
-Replace `LATEST_TAG` with the latest GitLab tag you want to update to, for example `v8.0.3`.  
-Use `git tag -l 'v*.[0-9]' --sort='v:refname'` to see a list of all tags.  
-Make sure to update patch versions only (check your current version with `cat VERSION`)
 
 ### 3. Update gitlab-shell to the corresponding version
 
@@ -37,12 +42,20 @@ sudo -u git -H git fetch
 sudo -u git -H git checkout v`cat /home/git/gitlab/GITLAB_SHELL_VERSION` -b v`cat /home/git/gitlab/GITLAB_SHELL_VERSION`
 ```
 
-### 4. Install libs, migrations, etc.
+### 4. Update gitlab-workhorse to the corresponding version
+
+```bash
+cd /home/git/gitlab-workhorse
+sudo -u git -H git fetch
+sudo -u git -H git checkout v`cat /home/git/gitlab/GITLAB_WORKHORSE_VERSION` -b v`cat /home/git/gitlab/GITLAB_WORKHORSE_VERSION`
+```
+
+### 5. Install libs, migrations, etc.
 
 ```bash
 cd /home/git/gitlab
 
-#PostgreSQL
+# PostgreSQL
 sudo -u git -H bundle install --without development test mysql --deployment
 
 # MySQL
@@ -52,19 +65,25 @@ sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production
 sudo -u git -H bundle exec rake assets:clean assets:precompile cache:clear RAILS_ENV=production
 ```
 
-### 5. Start application
+### 6. Start application
 
-    sudo service gitlab start
-    sudo service nginx restart
+```bash
+sudo service gitlab start
+sudo service nginx restart
+```
 
-### 6. Check application status
+### 7. Check application status
 
 Check if GitLab and its environment are configured correctly:
 
-    sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production
+```bash
+sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production
+```
 
 To make sure you didn't miss anything run a more thorough check with:
 
-    sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production
+```bash
+sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production
+```
 
 If all items are green, then congratulations upgrade complete!
diff --git a/features/steps/admin/labels.rb b/features/steps/admin/labels.rb
index b45d98658bc..2d5db8f739e 100644
--- a/features/steps/admin/labels.rb
+++ b/features/steps/admin/labels.rb
@@ -17,7 +17,7 @@ class Spinach::Features::AdminIssuesLabels < Spinach::FeatureSteps
 
   step 'I remove label \'bug\'' do
     page.within "#label_#{bug_label.id}" do
-      click_link 'Remove'
+      click_link 'Delete'
     end
   end
 
diff --git a/features/steps/project/issues/labels.rb b/features/steps/project/issues/labels.rb
index d656acf4220..047cf701bb0 100644
--- a/features/steps/project/issues/labels.rb
+++ b/features/steps/project/issues/labels.rb
@@ -9,7 +9,7 @@ class Spinach::Features::ProjectIssuesLabels < Spinach::FeatureSteps
 
   step 'I remove label \'bug\'' do
     page.within "#label_#{bug_label.id}" do
-      click_link 'Remove'
+      click_link 'Delete'
     end
   end
 
diff --git a/features/steps/project/issues/milestones.rb b/features/steps/project/issues/milestones.rb
index c8708572ec6..e2eda511497 100644
--- a/features/steps/project/issues/milestones.rb
+++ b/features/steps/project/issues/milestones.rb
@@ -63,7 +63,7 @@ class Spinach::Features::ProjectIssuesMilestones < Spinach::FeatureSteps
   end
 
   step 'I click link to remove milestone' do
-    click_link 'Remove'
+    click_link 'Delete'
   end
 
   step 'I should see no milestones' do
diff --git a/features/steps/project/source/browse_files.rb b/features/steps/project/source/browse_files.rb
index f40e0f0d528..ceab23b9a4d 100644
--- a/features/steps/project/source/browse_files.rb
+++ b/features/steps/project/source/browse_files.rb
@@ -87,7 +87,7 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
   end
 
   step 'I click link "Diff"' do
-    click_link 'Preview changes'
+    click_link 'Preview Changes'
   end
 
   step 'I click on "Commit Changes"' do
@@ -192,7 +192,7 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
   end
 
   step 'I see Browse dir link' do
-    expect(page).to have_link 'Browse Dir »'
+    expect(page).to have_link 'Browse Directory »'
     expect(page).not_to have_link 'Browse Code »'
   end
 
@@ -204,13 +204,13 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
 
   step 'I see Browse file link' do
     expect(page).to have_link 'Browse File »'
-    expect(page).not_to have_link 'Browse Code »'
+    expect(page).not_to have_link 'Browse Files »'
   end
 
   step 'I see Browse code link' do
-    expect(page).to have_link 'Browse Code »'
+    expect(page).to have_link 'Browse Files »'
     expect(page).not_to have_link 'Browse File »'
-    expect(page).not_to have_link 'Browse Dir »'
+    expect(page).not_to have_link 'Browse Directory »'
   end
 
   step 'I click on Permalink' do
diff --git a/lib/gitlab/lfs/response.rb b/lib/gitlab/lfs/response.rb
index c18dfbd485d..9be9a65671b 100644
--- a/lib/gitlab/lfs/response.rb
+++ b/lib/gitlab/lfs/response.rb
@@ -260,7 +260,7 @@ module Gitlab
       end
 
       def link_to_project(object)
-        if object && !object.projects.exists?(@project)
+        if object && !object.projects.exists?(@project.id)
           object.projects << @project
           object.save
         end
diff --git a/spec/controllers/admin/impersonation_controller_spec.rb b/spec/controllers/admin/impersonation_controller_spec.rb
new file mode 100644
index 00000000000..d7a7ba1c5b6
--- /dev/null
+++ b/spec/controllers/admin/impersonation_controller_spec.rb
@@ -0,0 +1,19 @@
+require 'spec_helper'
+
+describe Admin::ImpersonationController do
+  let(:admin) { create(:admin) }
+
+  before do
+    sign_in(admin)
+  end
+
+  describe 'CREATE #impersonation when blocked' do
+    let(:blocked_user) { create(:user, state: :blocked) }
+
+    it 'does not allow impersonation' do
+      post :create, id: blocked_user.username
+
+      expect(flash[:alert]).to eq 'You cannot impersonate a blocked user'
+    end
+  end
+end
diff --git a/spec/features/admin/admin_users_spec.rb b/spec/features/admin/admin_users_spec.rb
index 86f01faffb4..4570e409128 100644
--- a/spec/features/admin/admin_users_spec.rb
+++ b/spec/features/admin/admin_users_spec.rb
@@ -128,6 +128,16 @@ describe "Admin::Users", feature: true  do
 
           expect(page).not_to have_content('Impersonate')
         end
+
+        it 'should not show impersonate button for blocked user' do
+          another_user.block
+
+          visit admin_user_path(another_user)
+
+          expect(page).not_to have_content('Impersonate')
+
+          another_user.activate
+        end
       end
 
       context 'when impersonating' do
diff --git a/spec/mailers/notify_spec.rb b/spec/mailers/notify_spec.rb
index d6796b07a5b..27e509933b2 100644
--- a/spec/mailers/notify_spec.rb
+++ b/spec/mailers/notify_spec.rb
@@ -247,7 +247,7 @@ describe Notify do
         end
 
         describe 'that have been reassigned' do
-          subject { Notify.reassigned_issue_email(recipient.id, issue.id, previous_assignee.id, current_user) }
+          subject { Notify.reassigned_issue_email(recipient.id, issue.id, previous_assignee.id, current_user.id) }
 
           it_behaves_like 'a multiple recipients email'
           it_behaves_like 'an answer to an existing thread', 'issue'
@@ -278,7 +278,7 @@ describe Notify do
 
         describe 'status changed' do
           let(:status) { 'closed' }
-          subject { Notify.issue_status_changed_email(recipient.id, issue.id, status, current_user) }
+          subject { Notify.issue_status_changed_email(recipient.id, issue.id, status, current_user.id) }
 
           it_behaves_like 'an answer to an existing thread', 'issue'
           it_behaves_like 'it should show Gmail Actions View Issue link'
@@ -382,7 +382,7 @@ describe Notify do
 
         describe 'status changed' do
           let(:status) { 'reopened' }
-          subject { Notify.merge_request_status_email(recipient.id, merge_request.id, status, current_user) }
+          subject { Notify.merge_request_status_email(recipient.id, merge_request.id, status, current_user.id) }
 
           it_behaves_like 'an answer to an existing thread', 'merge_request'
           it_behaves_like 'it should show Gmail Actions View Merge request link'
@@ -597,8 +597,10 @@ describe Notify do
     let(:user) { create(:user, email: 'old-email@mail.com') }
 
     before do
-      user.email = "new-email@mail.com"
-      user.save
+      perform_enqueued_jobs do
+        user.email = "new-email@mail.com"
+        user.save
+      end
     end
 
     subject { ActionMailer::Base.deliveries.last }
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index f80fada45e9..06a02c13bf1 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -444,7 +444,9 @@ describe Project do
 
       before do
         2.times do
-          create(:note_on_commit, project: project2, created_at: date)
+          # Little fix for special issue related to Fractional Seconds support for MySQL.
+          # See: https://github.com/rails/rails/pull/14359/files
+          create(:note_on_commit, project: project2, created_at: date + 1)
         end
       end