Ticket 432 - Introduce new systemd-rpm macros in 389-admin spec file
    
    Description:  Added the new systemd macros where possible, but had to manually
                  add the preset command in %post
    
    https://fedorahosted.org/389/ticket/432
    
    Reviewed by: richm(Thanks!)
    (cherry picked from commit e1592f5cf7b623fe1980d84559c533a5890d899f)