extension for servicevm api
extension for servicevm api

Change-Id: I096e48f78b1cbd84b9e3ccb6e59414cd12e38fb6

openstack/tacker,trozet/tacker,zeinsteinz/tacker,openstack/tacker,SripriyaSeetharam/tacker,stackforge/tacker,openstack/tacker,trozet/tacker,stackforge/tacker,SripriyaSeetharam/tacker,priya-pp/Tacker,priya-pp/Tacker,zeinsteinz/tacker