Add OpenID test suite
    
    This tests core OpenID and the Attribute Exchange,
    Simple Registration and Teams extensions.
    
    Using a small wsgi tool because mod_auth_openid does
    not support all extensions.
    
    Signed-off-by: Patrick Uiterwijk <puiterwijk@redhat.com>
    Reviewed-by: Rob Crittenden <rcritten@redhat.com>