Updated openstack/openstack
Project: openstack/trove  fbc389ec432af3152cb81d1027baeed0675fb89d

Use auth_token from keystonemiddleware

auth_token middleware in python-keystoneclient is deprecated and has
been moved to the keystonemiddleware repo.

Change-Id: Ib43223c2cfb31198b9438bb02f0d68f2bab7eb7e
Closes-Bug: #1342274