Cherry-picked fixes from release-0.3

* Add CA verification to guest RabbitMQ;
* Typo in cloud_formation.py
* Cleaning up-configs
* Added delays before reconnect to RabbitMQ
* Fixed bug #1244109
* Resolve issue with SQLCluster clusterIp property

Change-Id: I3e71451bf0af1a0e35c3b31b8e2519d32aa6f5ea