Add Pyro4 transport

Use a Pyro proxy as channel.  Published object must implement methods
used in the Channel class for the shared_queues object. Once published
this object can be shared across multiple hosts.

Sample object backing:
https://github.com/tahmmee/pyroqueue/blob/master/pyroqueues.py
Merge branch 'tahmmee/master'
cosmetics
Pyro cosmetics (Re #228)
Adds Tommie McAfee to AUTHORS
Default rabbitmq admin port is now 15672. Closes #233. Thanks to GlenRSmith
Updates Changelog
pyamqp/librabbitmq: Transport options are now forwarded as kwargs to Connection.  Closes #214.
Updates Changelog
Now requires amqp 1.0.12
Fixes test suite failures when logging enabled.  Closes #227
Bumps version to 2.5.11
Set release date
Merge branch '2.5'

Conflicts:
	README.rst
	kombu/__init__.py
	requirements/default.txt
Tests passing
Redis: Ignore if queue not in round-robin cycle
Always define __ne__ when __eq__
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into kafka