Porting the latest HA related changes from R1.10 to master
Updated the RMQ monitor script
Updating priorities to allow process startup in order of the dependencies:
Fix bug 1360399-High Availability support for 13 node setup, adding rabbitmq-server as dependency to contrail-openstack and keepalived as dependency to contrail-openstack-config

Change-Id: I4fc0aca2e8bb283a79eae180f27f917442055d16
Merge "Porting the latest HA related changes from R1.10 to master Updated the RMQ monitor script Updating priorities to allow process startup in order of the dependencies: Fix bug 1360399-High Availability support for 13 node setup, adding rabbitmq-server as dependency to contrail-openstack and keepalived as dependency to contrail-openstack-config"