Add .gitreview file for StackForge.
Add .gitreview file for StackForge.

Change-Id: Ia16bb570b70f238225f9d4fdbacaea4f13eaeb9a

cloudkeep/python-barbicanclient,openstack/python-barbicanclient,wyllys66/python-barbicanclient,cloudkeep/python-barbicanclient,akash1808/python-barbicanclient,akash1808/python-barbicanclient