private static function writeDefaultSettings($db)
 {
     ExcelImportExport::writeDefaultSetting($db, 'adminPassword', 'change_me');
     ExcelImportExport::writeDefaultSetting($db, 'endTime', '03.12.2014 (08:00 Uhr)');
     ExcelImportExport::writeDefaultSetting($db, 'isLocked', 'false');
     ExcelImportExport::writeDefaultSetting($db, 'startTime', '4. Dezember 2014 (14:00 - 19:00 Uhr)');
 }