FFE for oslo.messaging 1.3.0~a9

1.3.0a9
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* Remove use of sslutils

1.3.0a8
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* Add missing data into the notif. endpoint callback
* notification listener: add allow_requeue param
* Do not leak _unique_id out of amqp drivers
* Add multiple exchange per listerner in fake driver
* Allow to requeue the notification message
* Slow down Kombu reconnect attempts
* Don't run python 3 tests by default
* Gracefully handle consumer cancel notifications
* Updated from global requirements
* Convert to oslo.test
* Add log_handler to oslo.messaging
* Add a link to the docs from the README
* Pass the session to QpidMessage constructor
* User a more accurate max_delay for reconnects
* Make the dispatcher responsible of the message ack
* Don't reply to notification message
* Abstract the acknowledge layer of a message
* Implements notification listener and dispatcher
* Switch over to oslosphinx
* Improve help strings
* Update ExpectedException handling
* Ignore any egg and egg-info directories
* Qpid: advance thru the list of brokers on reconnect
* RabbitMQ: advance thru the list of brokers on reconnect