Your conference site acts as en OpenID server. Users can use their public
profile URL to authenticate in third party applications. This URL is
of the form:
http://<your domain>/<your conf_id>/user/<user_id>
Copyright (C) 2004-2008, by Philippe Bruhat and Éric Cholet.
All Rights Reserved.
This module is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.