Updated openstack/openstack
Project: openstack/keystone  02382c5fd7e8b35edc77c19d1e859dc14c97c4a8
null
Implementation of internal notification callbacks within Keystone

Keystone subsystems (extensions or other modules) can now
subscribe to Create, Update, and Delete events.  This allows any
subscribed system to act upon the event and perform actions (such
as cleanup on delete).

Co-Authored-By: Guang Yee <guang.yee@hp.com>
Co-Authored-By: Morgan Fainberg <m@metacloud.com>

bp: internal-callbacks
Change-Id: I03713b7f1f94480f76e0121eb6184226062af1a6