Update travis.yml for Go
Update travis.yml for Go

fordhurley/g2s,bmhatfield/g2s,MindscapeHQ/g2s,fordhurley/g2s,peterbourgon/g2s,crashlytics/g2s,MindscapeHQ/g2s,bmhatfield/g2s,peterbourgon/g2s,crashlytics/g2s