Updated openstack/openstack
Project: openstack/cinder  05f87fb86947327c475a0c93e6f5f118197f7868
null
Sync matchmaker_ring.py from oslo-incubator

Cinder does not currently include the matchmaker driver, which is the
preferred configuration with ZeroMQ.

Change-Id: I8514f1780e6492f9d37134d282a5196709347bd8
Partial-Bug: #1185690