BZ #1083781 - Add Glance Service to HA hostgroup

https://bugzilla.redhat.com/show_bug.cgi?id=1083781

Add component to install and configure glance on the HA All in One
controller, including the flag $include_glance
(defined in quickstack::pacemaker::params) to toggle it on and off.
Merge pull request #142 from cwolferh/glance_ha

add glance to HA-all-in-one-controller WIP
BZ #1082811 - HA Keystone improvements.

https://bugzilla.redhat.com/show_bug.cgi?id=1082811

Tweaks and fixes, had to override rsync::get options to overwrite certain cert
files.