Merge "Set transport_url in proper keystone config section"

Author: Zuul

lib/keystone

@@ -217,7 +217,7 @@ function configure_keystone {
     iniset $KEYSTONE_CONF cache backend "dogpile.cache.memcached"
     iniset $KEYSTONE_CONF cache memcache_servers localhost:11211
 
-    iniset_rpc_backend keystone $KEYSTONE_CONF
+    iniset_rpc_backend keystone $KEYSTONE_CONF oslo_messaging_notifications
 
     local service_port=$KEYSTONE_SERVICE_PORT
     local auth_port=$KEYSTONE_AUTH_PORT