siuying/Sim-Launcher — comment on commit ff529fad2028dec957ae1b3f3d709f5f50d14086
File:  line 0
By moredip:

We shouldn't be checking in the Gemfile.lock, because this is a gem, not an app: http://yehudakatz.com/2010/12/16/clarifying-the-roles-of-the-gemspec-and-gemfile/