Modify 'router' to 'loadbalancer' for loadbalancer driver
Modify 'router' to 'loadbalancer' for loadbalancer driver

Change-Id: Ic669c131a5d37f7a37f16df59677e6093d31c92a

stackforge/akanda-rug,stackforge/akanda-rug,openstack/akanda-rug,openstack/akanda-rug