Update golang to 1.6.3
Update golang to 1.6.3

Signed-off-by: solidnerd <387783e228a6a981e052f1b545e5a6a45a21cc6e@mietz.io>

sameersbn/docker-gitlab,revayd/docker-gitlab,goodrain-apps/docker-gitlab,nicolasgnr/docker-gitlab,evenh/docker-gitlab,revayd/docker-gitlab,deruhu/docker_gitlab,goodrain-apps/docker-gitlab,iamchanghyunpark/docker-gitlab,solidnerd/docker-gitlab,BirgerK/docker-gitlab,3kami3/docker-gitlab,ldgeo/docker-gitlab,BirgerK/docker-gitlab,evenh/docker-gitlab,solidnerd/docker-gitlab,ldgeo/docker-gitlab,3kami3/docker-gitlab,ldgeo/docker-gitlab,deruhu/docker_gitlab,nicolasgnr/docker-gitlab,iamchanghyunpark/docker-gitlab,sameersbn/docker-gitlab