BZ #1103915 - neutron notification setup ordering.

https://bugzilla.redhat.com/show_bug.cgi?id=1103915

Missed a line in the enforcement of ordering.
Merge pull request #258 from jguiditta/bz1103915_ordering

BZ #1103915 - neutron notification setup ordering.
Fixed cinder_controller to use puppet-gluster

Also moved puppet::vardir into gluster/server.pp instead of being into
the hostgroup