Make Travis CI shut the fuck up about "source :rubygems"

The source :rubygems is deprecated because HTTP requests are insecure.
The source :rubygems is deprecated because HTTP requests are insecure.
The source :rubygems is deprecated because HTTP requests are insecure.
The source :rubygems is deprecated because HTTP requests are insecure.
The source :rubygems is deprecated because HTTP requests are insecure.
I GET IT!
Gotta get that Gemfile.lock in there too

Note to self: delete this file from the repo
http://yehudakatz.com/2010/12/16/clarifying-the-roles-of-the-gemspec-and-gemfile/
Merge branch 'master' into color
Pass colorization config through to Ppl::Format::Contact::* instances