Dbconfigadmin

@kalbermattenm : You'll probably kill me for this major revision in one chunk, but could you please review ?
thanks!!!
there is a lot of commented code in admin_functions.py because in a first step I did not yet implement the filtering there
the labels are loaded in OM's trigger function (main.js), so they are normally loaded before the app ist initialised. But I'll make it sure by accessing the adminpanel only from the main application.