BZ #1127887 -  HA: rsync not installed on non-galera bootstrap nodes

https://bugzilla.redhat.com/show_bug.cgi?id=1127887

Make sure the rsync dependency is included on the "get" side.
Merge pull request #342 from cwolferh/add_rsync_get_dependency

BZ #1127887 -  HA: rsync not installed on non-galera bootstrap nodes