Make a repo for heat-templates.

Change-Id: I89e245963f97e5bdfa106118546bb12fe721b5da
Reviewed-on: https://review.openstack.org/27442
Reviewed-by: James E. Blair <corvus@inaugust.com>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Steven Hardy <shardy@redhat.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins