Require sprockets-rails 3.0.0.beta1

Gemfile

@@ -14,7 +14,6 @@ gem 'rails-html-sanitizer'
 
 # TODO: remove this before the 4.2.0.beta1 release
 gem 'turbolinks', github: 'rails/turbolinks', branch: 'master'
-gem 'sprockets-rails', github: 'rails/sprockets-rails', branch: 'master'
 
 # require: false so bcrypt is loaded only when has_secure_password is used.
 # This is to avoid ActiveModel (and by extension the entire framework)

rails.gemspec

@@ -28,5 +28,5 @@ Gem::Specification.new do |s|
   s.add_dependency 'railties',      version
 
   s.add_dependency 'bundler',         '>= 1.3.0', '< 2.0'
-  s.add_dependency 'sprockets-rails', '~> 2.1'
+  s.add_dependency 'sprockets-rails', '~> 3.0.0.beta1'
 end