nanoc/nanoc — pull request #499 by mpapis (2014-11-23 22:29:51+00:00)
Title: remove Gemfile.lock

according to http://yehudakatz.com/2010/12/16/clarifying-the-roles-of-the-gemspec-and-gemfile/ the `Gemfile.lock` should not be committed for gems using `gemspec` in `Gemfile`