Updated openstack/openstack
Project: openstack/python-cinderclient  26e19ff186c8910f2d097459e325bbc8023aa7e7

Docstring of unmanage subcommand is missing

cinder unmanage is missing docstring.
This patch adds description of unmanage to python-cinderclient.

Closes-Bug: #1373662
Change-Id: I3ae8ee714507b82c661360e86136dab5ef461ce3