BZ #1168270 -  Set allow_overlapping_ips to True for HA deployments by default.

https://bugzilla.redhat.com/show_bug.cgi?id=1168270

This parameter was not exposed, and defaulted to false, when the desired default
is true. Patch exposes the parameter and sets default to true.
BZ #1168755 - rabbitmq fix node names

https://bugzilla.redhat.com/show_bug.cgi?id=1168755

Explicitly use node names from the param
$lb_backend_server_names .  Otherwise, a mismatch can occur
and the rabbit cluster may not be formed.
Merge pull request #414 from cwolferh/bz1168755_rabbitmq_fix

BZ #1168755 - rabbitmq fix node names
Merge pull request #413 from jguiditta/BZ1168270-overlapping-ips

BZ #1168270 -  Set allow_overlapping_ips to True for HA deployments by d...
extra ordering enforcement for mongodb+ceilo
Merge pull request #415 from cwolferh/nosql_begin_anchor

extra ordering for nosql and ceilometer