BZ #1113294 - HA cinder db_sync fails on 2nd and 3rd nodes

https://bugzilla.redhat.com/show_bug.cgi?id=1113294

Add a puppet dependency to make sure that the first node completes a
db_sync before it is attempted on the other HA nodes.  The same logic
applies for cinder and glance.
Merge pull request #302 from cwolferh/ha_db_sync_timing_fixes

BZ #1113294 - HA cinder db_sync fails on 2nd and 3rd nodes