Fix bug 1360399 [NTT] 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: I195690036901614e12d0b681e650e34ca97b242f
Merge "Fix bug 1360399 [NTT] High Availability support for 13 node setup, adding rabbitmq-server as dependency to contrail-openstack and keepalived as dependency to contrail-openstack-config" into R1.10