Merge pull request #1 from jsuchome/clone

Manage ceilometer-api services via pacemaker clone LWRP
Some cleanup (to squash)
Add synchronization marks around the creation of pacemaker resources
Merge pull request #2 from vuntz/pacemaker

Some cleanups + sync marks
Added ceilometer pacemaker support for collector service and
group it with ceilometer api as server-group