Rename agent_loadbalancer directory to loadbalancer
Rename agent_loadbalancer directory to loadbalancer

Fix missing path changes

Fixes bug 1179276

Change-Id: I889eeac8013de67fccbac9bfa745a56e7f859756

stackforge/networking-mlnx,stackforge/networking-mlnx,moshele/networking-mlnx,openstack/networking-mlnx,moshele/networking-mlnx-master,openstack/networking-mlnx