Updated openstack/openstack
Project: openstack/python-glanceclient  861bc832cb64fc50c759a8de107294daf9412e84
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Added support for running the tests under PyPy with tox

This is a precursor to having them run under check and gate.

Change-Id: I9c2f8218f457aeaa03e06b4a87554fcdc40e4a0a