rails/rails — pull request #16663 by rubys (2014-08-23 19:40:12+00:00)
Title: Use latest 2.1 version of sprockets-rails

@rafaelfranca with the 3.0.0.beta1 release of sprockets-rails, it is important to pin down the version of sprocket-rails for maintenance releases of Rails 4.0 and Rails 4.1.