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

Build failed. - periodic-horizon-docs-kilo http://logs.openstack.org/periodic-stable/periodic-horizon-docs-kilo/7f4b5b8... : FAILURE in 1m 52s - periodic-horizon-python27-kilo http://logs.openstack.org/periodic-stable/periodic-horizon-python27-kilo/174... : FAILURE in 1m 52s - periodic-horizon-docs-liberty http://logs.openstack.org/periodic-stable/periodic-horizon-docs-liberty/755f... : SUCCESS in 3m 37s - periodic-horizon-python27-liberty http://logs.openstack.org/periodic-stable/periodic-horizon-python27-liberty/... : SUCCESS in 5m 18s