BZ#1121185 - rabbitmq AMQP traffic should be load balanced accross all nodes

https://bugzilla.redhat.com/show_bug.cgi?id=1121185
ceph/rbd updates

* update default values in manifests to realistic values.
* add rbd/libvirt/cinder-related params to compute manifests.
* allow non-HA controllers to specify rbd as a backend for glance,
  enabled by switching from openstack:glance to quickstack::glance.
Merge pull request #327 from cwolferh/ceph_updates

ceph config updates
BZ#1124950 - Quickstack nova compute manifest not setting qpid config

https://bugzilla.redhat.com/show_bug.cgi?id=1124950
Merge pull request #330 from jeckersb/qpid_fix

BZ#1124950 - Quickstack nova compute manifest not setting qpid config
Merge pull request #321 from jeckersb/rabbitmq_haproxy_aaa

BZ#1121185 - rabbitmq AMQP traffic should be load balanced accross all n...