Changing the priority of the VRRP instance of internal and external vip instances.

Change-Id: I5975675622fd3d5dfb6b06f0e656f69e1857a794
Fix bug 1343493 rabbitmq config needs to be set only in the config nodes.

Change-Id: I73b4d2a20bf760d02f5e9d96f180bf7d397066bd