Build failed.

- periodic-trove-docs-juno http://logs.openstack.org/periodic-stable/periodic-trove-docs-juno/180b934/ : SUCCESS in 1m 42s - periodic-trove-python26-juno http://logs.openstack.org/periodic-stable/periodic-trove-python26-juno/22b94... : SUCCESS in 2m 56s - periodic-trove-python27-juno http://logs.openstack.org/periodic-stable/periodic-trove-python27-juno/c03f6... : SUCCESS in 3m 03s - periodic-trove-docs-kilo http://logs.openstack.org/periodic-stable/periodic-trove-docs-kilo/b7569d4/ : SUCCESS in 2m 56s - periodic-trove-python27-kilo http://logs.openstack.org/periodic-stable/periodic-trove-python27-kilo/a4a18... : FAILURE in 2m 37s - periodic-trove-docs-liberty http://logs.openstack.org/periodic-stable/periodic-trove-docs-liberty/481aaa... : SUCCESS in 1m 50s - periodic-trove-python27-liberty http://logs.openstack.org/periodic-stable/periodic-trove-python27-liberty/3e... : SUCCESS in 7m 14s