Add git05 to the git.openstack.org haproxy farm

Once the git repositories on git05 are replicated from
review.openstack.org and confirmed in sync, merge this to add it to
the farm.

Change-Id: I6bc87957ff9ba7983c48ce156ab7658a9ab8a5ad
Merge "Add git05 to the git.openstack.org haproxy farm"