try approach of adding SDL to travis from https://github.com/PistonDevelopers/piston-examples/blob/master/.travis.yml#L8
try approach of adding SDL to travis from https://github.com/PistonDevelopers/piston-examples/blob/master/.travis.yml#L8

outrightmental/go-atomix,go-ontomix/ontomix,outrightmental/ontomix,go-mix/mix