rails/sprockets-rails — pull request #54 by pftg (2013-05-10 11:13:52+00:00)
Title: Added json gem to dependencies

Added json gem to dev dependency in order to remove warning for tests:

```
You are using an old or stdlib version of json gem
Please upgrade to the recent version by adding this to your Gemfile:

gem 'json', '~> 1.7.7'
```