Add Ruby 2.2.1 support to .travis.yml
Add Ruby 2.2.1 support to .travis.yml

wuwx/forem,rubysherpas/forem,hanspolo/forem,efrence/forem,jaybrueder/forem,ajeje/forem,jaybrueder/forem,jaybrueder/forem,radar/forem,efrence/forem,radar/forem,rubysherpas/forem,hanspolo/forem,ajeje/forem,frankmarineau/forem,ajeje/forem,radar/forem,devleoper/forem,wuwx/forem,devleoper/forem,devleoper/forem,wuwx/forem,frankmarineau/forem,zhublik/forem,hanspolo/forem,efrence/forem,zhublik/forem,frankmarineau/forem,rubysherpas/forem,zhublik/forem