Add session_persistence to LBaaS pool

Change-Id: I73fc502dfa47feeb510bea3e851cfa4fb44858b8
Provide full support for all repository sources

The openshift.sh installer provides support for RHN, RHSM and local
yum repositories. This patch provides mappings to env vars for
all the various options.

Change-Id: I8e1b27562d7800a07220e41a0d17459f0f44877c
Tighten up security group port settings for broker and node.

Separate security groups were created for broker and node hosts.
Firewall rules follow documentation:
https://access.redhat.com/site/documentation/en-US/OpenShift_Enterprise\
/2/html/Deployment_Guide/Network_Access.html

Change-Id: If54f9b636e13679372bd566c8cc8dc6a08e4c7d2
Delay creating mongo replica set until other broker hosts available

MongoDB requires all members of the replica set be up when
initiating the replica set. This change delays the creation of
the rs until the other brokers have had a chance to reboot. The
openshift.sh script is used by setting the CONF_ACTIONS env var.

Change-Id: Id3d92c4a46b88b1816994c13a2c07dd33709d4d9