ref #8045: further implementation for default/explicit value selection preference pages
fix correct set default handling for common name area pref
fix correct saving of common name area preference
ref #7849: add correct handling for restoreDefaults in DB preference pages
ref #7849: add message to term selection wizard that no selection -> all terms available, smaller adapation in areaselection dialogs
ref #7849: fix correct saving in common name area selection
ref #7849: disable apply button until something was changed in preference page
ref #7849: improve DB preference handling and use editorpreferencePredicates keys also for local preferences
ref #7849: harmonize admin and local preferences for distribution editor and use drop down instead of radio buttons