Convert SAML2 SP Provider UI to use Config object
This makes the look-and-feel the same between the SAML2 configuration
and the per-SP configuration.
https://fedorahosted.org/ipsilon/ticket/25
Signed-off-by: Rob Crittenden <rcritten@redhat.com>
Reviewed-by: Simo Sorce <simo@redhat.com>