Updated openstack/openstack
Project: openstack/requirements  b70890dc617bf7c5cf37543ea937f121237f8bfa

Bump keystoneclient minimum version

Increase keystoneclient minium version for compressed token support,
oauth, and a number of bug fixes.

https://launchpad.net/python-keystoneclient/+milestone/0.9.0

Change-Id: Ie3b4d3aff092295f87aadff5b0d9ba73f8c6c7be