Switch status.o.o/release to local instance

Serve status.o.o/release from the local releasestatus
deployment, now that we validated that everything works from
http://status.openstack.org/release.new

Once this merges, I'll manually remove the old-wiki.o.o deployment.

Change-Id: I0c676e3a68bb7ca5cf10899d65eefdb318f66948
Reviewed-on: https://review.openstack.org/30092
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Approved: James E. Blair <corvus@inaugust.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins