Tempest gating for heat.

Enables the following for heat check and gate:
- gate-tempest-devstack-vm-full
- gate-tempest-devstack-vm-postgres-full
- gate-tempest-devstack-vm-quantum

Change-Id: Id20ecba252a4ace8a44b38136f411bcbcabccc56
Reviewed-on: https://review.openstack.org/31879
Reviewed-by: James E. Blair <corvus@inaugust.com>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Approved: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins