Notifications for exists events need nova remote admin url set
Notifications for exists events need nova remote admin url set

Set the remove nova admin url in the client that is created to query
nova for available servers when sending notifications.

Change-Id: I535b0d7a5046040414c39eb7f612e7f5b695c2f7

openstack/trove,fabian4/trove,cp16net/trove,cp16net/trove,mmasaki/trove,mmasaki/trove,redhat-openstack/trove,fabian4/trove,openstack/trove,hplustree/trove,redhat-openstack/trove,redhat-openstack/trove,zhangg/trove,cp16net/trove,zhangg/trove,mmasaki/trove,fabian4/trove,hplustree/trove