Updated openstack/openstack
Project: openstack/cinder  79b6b98f210b47fb6313132ba8cfbb977bfb072e

Updated HACKING.rst so that it is accurate

We haven't been very good at enforcing putting new hacking checks
into HACKING.rst.  This change brings the file up to date.

Change-Id: I95ef533d031d333da5615ead997b54c6506c2c2a