apiology/quality — pull request #22 by andyw8 (2014-07-21 20:34:33+00:00)
Title: Remove Gemfile.lock

"When developing a gem, use the gemspec method in your Gemfile to avoid duplication. In general, a gem’s Gemfile should contain the Rubygems source and a single gemspec line. Do not check your Gemfile.lock into version control"

http://yehudakatz.com/2010/12/16/clarifying-the-roles-of-the-gemspec-and-gemfile/