Sort gems by name in gemspec
Update rspec to v2.14.1
Remove Gemfile.lock from repository

We already specify versions in the gemspec. No need to have them here as
well.
Update rake to v10.1.1
Update httparty to v0.12.0
Update bundler to v1.5.2
Update cane to v2.6.1
Align gem versions in gemspec
Update pry to v0.9.12.4
Update sinatra to v1.4.4
Update thin to v1.6.1
Update thor to v0.18.1
Don't specify bugfix version for Bundler

Travis doesn't always have the latest and greatest. They are currently
using bundler 1.5.1.
Merge pull request #27 from chrishunt/update-all-the-things

Remove Gemfile.lock from repo, update all gems