Fix errors in service engine
Fix errors in service engine

The current cluster resize operation is referencing some constants that
do not exist.  Need to add them later on.

Change-Id: Id53ba598b620cee01a2b72716ad1dc819c4c6859

tengqm/senlin-container,Alzon/senlin,stackforge/senlin,openstack/senlin,Alzon/senlin,stackforge/senlin,tengqm/senlin-container,openstack/senlin,openstack/senlin