auth_token middleware hard coded to check for version 3.0

[Adam Young]

Will not respect a micro version if sent.

[Adam Young (ayoung)]

http://git.openstack.org/cgit/openstack/keystonemiddleware/tree/keystonemiddleware/auth_token.py#n1494

Does a straight string check, needs to have logic:

 version >= supported && version < floor(supported +1)

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/130916

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/130916
Committed: https://git.openstack.org/cgit/openstack/keystonemiddleware/commit/?id=4e20760a6f55e4360dd2616c5738abec2774a198
Submitter: Jenkins
Branch: master

commit 4e20760a6f55e4360dd2616c5738abec2774a198
Author: wanghong <email address hidden>
Date: Sat Oct 25 10:09:40 2014 +0800

    support micro version if sent

    Don't hard code the check for version 3.0, support micro version such
    as v3.1, v3.1.1, v3.2 etc...

    Change-Id: I7b249fc71894caafaf847bcfbb0c02907a740e6e
    Closes-Bug: #1383853