Updated openstack/openstack
Project: openstack/oslo.messaging  ed2a1545c0abf638dc977d48d78749fe4ec82f74
null
Add missing data into the notif. endpoint callback

Some information about the notification (ie: message_id and timestamp)
are currently not available for the application.

This change add them.

Partial implements blueprint notification-subscriber-server

Change-Id: I83e562725205fb270f6065fe1118c3c9865b2294