Notification Forwarding (to systems like Zaqar) for OpenStack Searchlight

This BP is proposing using zaqar( (messaging-as-a-service)) to translat SearchLight index to zaqar message, and push it to clients. https://wiki.openstack.org/wiki/Zaqar Please see the Spec here: https://review.openstack.org/#/c/246220/ SearchLight’s mission is to provide advanced and scalable indexing and searc...