Changed authorization for Messprogramm. * Added 'readonly' flag * Only user with function '4' and the corresponding 'netzbetreiber' are allowed to edit. * User authorized to create a 'probe' are allowed to generate proben.

{
    "land.kommentar_p": [{
        "id": 1000,
        "erzeuger": "06010",
        "datum": "2012-05-11 12:01:00",
        "text": "Testkommentar",
        "probe_id": 1000
    }]
}