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

supriyantomaftuh/router,theocodes/router,hanami/router,lotus/router,hanami/router,vyper/router,theocodes/router,AlfonsoUceda/router,vyper/router,AlfonsoUceda/router,Erol/hanami-router,supriyantomaftuh/router,lotus/router,Erol/hanami-router