Add error message when have error on profile screen

CHANGELOG

@@ -12,6 +12,7 @@ v 7.10.0 (unreleased)
   - Fix alignment of navbar toggle button (Cody Mize)
   - Identical look of selectboxes in UI
   - Move "Import existing repository by URL" option to button.
+  - Improve error message when save profile has error.
 
 v 7.9.0 (unreleased)
   - Add HipChat integration documentation (Stan Hu)

app/controllers/profiles_controller.rb

@@ -25,7 +25,8 @@ class ProfilesController < ApplicationController
     if @user.update_attributes(user_params)
       flash[:notice] = "Profile was successfully updated"
     else
-      flash[:alert] = "Failed to update profile"
+      messages = @user.errors.full_messages.uniq.join('. ')
+      flash[:alert] = "Failed to update profile. #{messages}"
     end
 
     respond_to do |format|