Change how SELinux policies are compiled

To take advantage of macros, the custom policies are now compiled
using make. To use macros, selinux-policy-devel needs to be
installed.

Change-Id: I803291c01af709f39edcbf2f366808443233d7b3
Add ssl options for ceilometer rabbitmq connection

Adds overcloud configuration options for ceilometer rabbitmq ssl port and
connection config using a shared rabbitmq parameter.

Relies on: I7b7613cb60b9095ba5665c335c496fea4514391a
Change-Id: Ibc641d7bd0899da8b14cc897065ae9cd186930c4
Add elements for Ceilometer alarm services

Adds Ceilometer alarm-evaluator and alarm-notifier services:
* element for alarm-evaluator
* element for alarm-notifier
* configuration options for alarm services

Change-Id: I223d24256dcd4e9515149bdbdb9d021b0ef4d00e
Merge "Add ssl options for ceilometer rabbitmq connection"
Merge "Change how SELinux policies are compiled"
Merge "Add elements for Ceilometer alarm services"