Setup AMQP properly for glance-registry

As we integrated OSprofiler with Glance:
https://review.openstack.org/#/c/105635/

glance-registry service started using notification API so it requires
proper seted up AMQP.

Change-Id: I0c4bb8a10960ed3ee06b67a209703d7ee81cf1ca
Merge "Setup AMQP properly for glance-registry"