[Openstack-stable-maint] Stable check of openstack/heat failed

Build failed. - periodic-heat-docs-liberty http://logs.openstack.org/periodic-stable/periodic-heat-docs-liberty/a3e6f2e... : SUCCESS in 5m 22s - periodic-heat-python27-db-liberty http://logs.openstack.org/periodic-stable/periodic-heat-python27-db-liberty/... : FAILURE in 9m 19s - periodic-heat-docs-mitaka http://logs.openstack.org/periodic-stable/periodic-heat-docs-mitaka/ad705ef/ : SUCCESS in 5m 05s - periodic-heat-python27-db-mitaka http://logs.openstack.org/periodic-stable/periodic-heat-python27-db-mitaka/9... : SUCCESS in 10m 15s