Add hooks for devstack testing. Also add nose to test requirements to use the nose test runner for the functional tests. Change-Id: I027e6e0dd8a0815d814808ab88cd25be81c155c6
Add hooks for devstack testing. Also add nose to test requirements to use the nose test runner for the functional tests. Change-Id: I027e6e0dd8a0815d814808ab88cd25be81c155c6