Remove Gemfile.lock from the repository
Remove Gemfile.lock from the repository

The Gemfile.lock should not be committed in a gem as it will limit the
test to locked specs, that might not be exactly what the end user ends
up installing because rubygems ignores Gemfile.lock while installing the
gem.

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

mdemin914/zuora,apptentive-engineering/zuora,zuorasc/zuora,localytics/zuora,Sage/zuora,backupify/zuora,engineyard/zuora,tw5475/zuora,invoice2go/zuora