Updated openstack/openstack
Project: openstack/glance  4e7c8e6d553e9d187b6c7f6eb284b4b7d63cfd74
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Use packaged version of ordereddict

Removes the need for ordereddict source to exist in the project.
Uses collections.OrderedDict for python2.7 and above and falls
back to ordereddict.OrderedDict for python2.6

Fixes bug 1229569

Change-Id: Iaf8b500d7b340f370df239bfe9ab0656575dc93b