BZ #1109250 - auditd not enabled by default.

https://bugzilla.redhat.com/show_bug.cgi?id=1109250
BZ #1109329 - Start ceilometer notification agent service.

https://bugzilla.redhat.com/show_bug.cgi?id=1109329

This only applies to non-HA case since we do not yet have ceilometer included in
HA deployments.
BZ #1104219 - Update HA Nova support for Icehouse.

https://bugzilla.redhat.com/show_bug.cgi?id=1104219

This includes making nova A/A by default.  If you wish to make it A/P, simply
set scheduler_host_subset_size=1.
Merge pull request #272 from jguiditta/bz1109250_auditd

BZ #1109250 - auditd not enabled by default.
Merge pull request #273 from jguiditta/bz1109329_ceilo_notifications

BZ #1109329 - Start ceilometer notification agent service.
Merge pull request #271 from jguiditta/ha_nova

BZ #1104219 - Update HA Nova support for Icehouse.