e1ed8b5 Fix the installutils.set_directive docstring

Authored and Committed by mbabinsk 7 years ago
    Fix the installutils.set_directive docstring
    
    Add missing parameter descriptions and fix incorrect indentation
    
    https://fedorahosted.org/freeipa/ticket/6460
    
    Reviewed-By: Tomas Krizek <tkrizek@redhat.com>
    Reviewed-By: Petr Spacek <pspacek@redhat.com>