api server and ifmap should take rabbit_port as well as argument, also set replication factor for cassandra db.

Change-Id: Ia27c825121f3e4ac9753a8a11e8a6e51a23c8757
Fix indentation.

Change-Id: Ia9c334ac2e855384c60a763da58357366ac5646d
Merge branch 'master' of github.com:cijohnson/contrail-controller