4.0.0 - 2014.1.0 - Icehouse Release

Updated Modulefile and README.md for 4.0.0 release.

Change-Id: I3d58b784c870fed5d7f349e9e7484d234690b8b4
Fixes wrong values in get_glance_image_attrs

The output of the glance show command in get_glance_image_attrs
does not get properly converted while being added to the
attrs array.

Change-Id: Ibe503b24ae3bfa10944537d5deaa068a01eaa5f3
Closes-Bug: #1199513
Add multiple rabbit hosts support

* Use new oslo.messaging conf options for rabbit_hosts and
  rabbit_ha_queues for glance::notify::rabbitmq class
* Warn on deprecated rabbit_durable_queues and use amqp_* instead
* Fix/add rspecs
* Fix a mess with wrong notification_driver usage
* Update README with usage example

DocImpact
Closes-bug: #1259193
Closes-bug: #1312054
Closes-bug: #1312658
Closes-bug: #1313553

Change-Id: I16b8e71db20602986a7afe8d24e7faba91a0997f
Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
Merge "4.0.0 - 2014.1.0 - Icehouse Release"
Merge "Fixes wrong values in get_glance_image_attrs"