Updated openstack/openstack
Project: openstack/python-cinderclient  9bd8c5dff982c3fb4688e7dd0f1535118ee22cef

Use adapter from keystoneclient

The keystoneclient provides an adapter which maintains the client state
around the session. We should re-use this rather than copy it and it
also means we will get new adapter functions and parameters as they
become available.

Change-Id: I05c0d650dcdd69f7e77a06563d735efe521a41ae