Schwolop/deriving_license — pull request #2 by sgerrand (2013-04-30 07:55:41+00:00)
Title: Removes the Gemfile.lock file

* [Removes Gemfile.lock for great gem installation good](http://yehudakatz.com/2010/12/16/clarifying-the-roles-of-the-gemspec-and-gemfile/)