- use portreserve to make sure the KDC can always bind to the kerberos-iv
        port, kpropd can always bind to the krb5_prop port, and that kadmind
        can always bind to the kerberos-adm port (#555279)
    - backport the LSB headers for the init scripts
    - make the kpropd init script treat 'reload' as 'restart' (part of #225974)