[Rdo-list] [package announce] keystoneclient updated

[Pádraig Brady]

update: python-keystoneclient-0.2.3-4.el6

* Tue May 28 2013 Jakub Ruzicka <jruzicka at redhat.com> 0.2.3-4
- Check token expiry. (CVE-2013-2104)

* Thu May 02 2013 Jakub Ruzicka <jruzicka at redhat.com> 0.2.3-3
- Config value for revocation list timeout. (#923519)