Fixes authentication for cinder

This patch adds additional keystone auth configuration that allows
the cinder client to access the cinder-api.  Previous to this patch
the error log displayed the following message when the cinder client
attempted to run any command.

"keystoneclient.middleware.auth_token [-] Authorization failed"

Change-Id: Ica0863fff794b994938ecd494f5e5f6caf070143
Merge "Fixes authentication for cinder"