Fix gate breakage caused by localrc usage
Fix gate breakage caused by localrc usage

It's no longer allowed to use both localrc and local.conf
so our dsvm jobs were failing very early. See:
http://lists.openstack.org/pipermail/openstack-dev/2017-February/112872.html

Change-Id: Idfa8e0cb3f446361daa1449e0854d95cfb379f46

vponomaryov/manila,openstack/manila,openstack/manila,bswartz/manila,bswartz/manila,vponomaryov/manila