Add ruby version 2.1.6 & 2.2.2 at .travis.yml
Add ruby version 2.1.6 & 2.2.2 at .travis.yml

hanami/helpers,skinofstars/helpers,joneslee85/helpers,hanami/helpers,lotus/helpers,theocodes/helpers,hanami/helpers,supriyantomaftuh/helpers,awochna/helpers,vyper/helpers