[SECURITY] Fedora 16 Update: openstack-keystone-2011.3.1-3.fc16

Keystone is a Python implementation of the OpenStack (http://www.openstack.org) identity service API. Services included are: * Keystone - identity store and authentication service * Auth_Token - WSGI middleware that can be used to handle token auth proto col (WSGI or remote proxy) * Auth_Basic - Stub for WSGI middleware that will be used to handle basic auth * Auth_OpenID - Stub for WSGI middleware that will be used to handle openid auth protocol * RemoteAuth - WSGI middleware that can be used in services (like Swift, N ova, and Glance) when Auth middleware is running remotely