Updated openstack/openstack
Project: openstack/requirements  b966cb23b61c7c8f96e7be4808b67533d31c0d2b
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Switch to Hacking 0.8.0

Move requirements to Hacking 0.8.0

Change-Id: I8abb0e4c143b08f44b0f52806c4fb8cfa16765ed