Updated openstack/openstack
Project: openstack-dev/devstack  39807f461683fd3dfa87c4ea432cf48f1e70ee49
null
XenAPI:  Increase DomU's memory

Devstack has been increasing in complexity, and if we use too
much of our memory it can lead to fragmentation which in turn
causes a DomU error and a failure of random tests.

Change-Id: Ide9cc84625caed4e35a64a47ee1e92a6cd567651
Updated openstack/openstack
Project: openstack/keystone  bf6b2fc6c7aae31621ae7b0d26ad662cb01a6a81
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Sync versionutils from oslo

The latest versionutils contains the deprecated decorator that was
originally developed for keystone.

Change-Id: I34c99de488ac9424e332edce30427f581f5011b1