Fix bug 1367528 - Should configure rabbitmq policy
    rabbitq policy needs to be set in config node rabbit cluster if contrail_internal_vip is set and
    in openstack node rabbit cluster if internal_cip is set in testbed.py

Change-Id: I88f92e8b4a68052494cf130cf707d3de04364e4e
Merge "Fix bug 1367528 - Should configure rabbitmq policy     rabbitq policy needs to be set in config node rabbit cluster if contrail_internal_vip is set and     in openstack node rabbit cluster if internal_cip is set in testbed.py"