See if we can get go vet working again.
Explicitly install gradle
Explicitly install gradle
Make lang/java/install executable
See if java is even installed.
Install gradle directly from the site.
Remove an extra newline.
Merge pull request #42 from b0ri5/install-go-vet

Fix for some stuff that travis-ci removed
Merge branch 'master' into b0ri5-euler1-hs