acd6db6 Properly handle groups info in SAML provider

Authored and Committed by simo 9 years ago
    Properly handle groups info in SAML provider
    
    Also removes internal attributes (any attribute that starts with _
    
    Fixes: https://fedorahosted.org/ipsilon/ticket/71
    
    Signed-off-by: Simo Sorce <simo@redhat.com>
    Reviewed-by: Nathan Kinder <nkinder@redhat.com>