ref #8294: add preference page for id in namespace and namespace in source
ref #8045: check whether all db preferences are deleted from DB if value is default value
ref #8045: show possible entries for preferences in combo boxes and show default value
ref #7849: add correct handling for restoreDefaults in DB preference pages
ref #8078: move editorPreferencePredicates to cdmlib
unification in preferences
ref #7849: disable apply button until something was changed in preference page
ref #7849: remove OVERRIDE constants from IPreferenceKeys and handle it by method
ref #7849: continue adapt db and local preference pages
ref #7849: improve DB preference handling and use editorpreferencePredicates keys also for local preferences