/**
* Initializes and corrects the module settings (if necessary)
*/
public void initializeSettings() {
settings = new DcModuleSettings(this);
// check whether the definitions are still correct;
// - there can be more definitions for a field; the actual field can be removed by a user
QuickViewFieldDefinitions qvDefinitions =
(QuickViewFieldDefinitions) settings.get(DcRepository.ModuleSettings.stQuickViewFieldDefinitions);