run against edge sass to eliminate circular require warnings

Gemfile

@@ -37,7 +37,9 @@ gem 'bcrypt', '~> 3.1.10', require: false
 # This needs to be with require false to avoid
 # it being automatically loaded by sprockets
 gem 'uglifier', '>= 1.3.0', require: false
-gem 'sass', '>= 3.3', require: false
+
+# Track stable branch of sass because it doesn't have circular require warnings
+gem 'sass', github: 'sass/sass', branch: 'stable', require: false
 
 group :doc do
   gem 'sdoc', '~> 0.4.0'

Gemfile.lock

@@ -103,6 +103,13 @@ GIT
   specs:
     concurrent-ruby (1.0.0.pre3)
 
+GIT
+  remote: git://github.com/sass/sass.git
+  revision: 4ef8e3167985ace91b2105916756bd93c5d7bba6
+  branch: stable
+  specs:
+    sass (3.4.18)
+
 PATH
   remote: .
   specs:
@@ -256,7 +263,6 @@ GEM
       resque (~> 1.25)
       rufus-scheduler (~> 3.0)
     rufus-scheduler (3.1.4)
-    sass (3.4.18)
     sdoc (0.4.1)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
@@ -342,7 +348,7 @@ DEPENDENCIES
   redcarpet (~> 3.2.3)
   resque
   resque-scheduler
-  sass (>= 3.3)
+  sass!
   sass-rails!
   sdoc (~> 0.4.0)
   sequel

railties/test/isolation/abstract_unit.rb

@@ -335,9 +335,5 @@ Module.new do
   File.open("#{app_template_path}/config/boot.rb", 'w') do |f|
     f.puts "require '#{environment}'"
     f.puts "require 'rails/all'"
-
-    # Preempt the Bundler.require in config/application.rb and silence warning
-    # spam from our gem dependencies (👋 hello Sass 😁)
-    f.puts "Kernel.silence_warnings { Bundler.require(*Rails.groups) }"
   end
 end unless defined?(RAILS_ISOLATED_ENGINE)