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

artofhuman/utils,lotus/utils,hanami/utils,supriyantomaftuh/utils,pascalbetz/hanami-utils,theocodes/utils,hanami/utils,pascalbetz/hanami-utils,eduardodeoh/utils,vyper/utils,artofhuman/utils,fuadsaud/utils