bug 1183607 New project request: golang-client

Change-Id: I8fa59dc042110cd678bb5b89671f995e012cf7c5
Reviewed-on: https://review.openstack.org/30623
Reviewed-by: James E. Blair <corvus@inaugust.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins