Use a correct GOPATH on Travis
Use a correct GOPATH on Travis

mpuncel/raven-go,thenewtricks/raven-go,Invacio/raven-go,DramaFever/raven-go,getsentry/raven-go,bigdrum/raven-go,DramaFever/raven-go,getsentry/raven-go,mpuncel/raven-go,bigdrum/raven-go