Get ready for os-api-ref sphinx theme change
Get ready for os-api-ref sphinx theme change

Change-Id: I1c13e4d92d0629361affb5dcd8ae793b33b33c9b

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