*/
public static void logConfigInfo() {
initLogger(); // (! nutné před zalogováním)
logger.info(" version: " +
new Version(Application.class.getPackage()).toString());
logger.config(" log levels : " + DetailFormatter.getLegend());
logger.config(" log filename = " + LoggerManager.getLogFileName());
logger.config(" debug mode = " + isDebug());
logger.config(" default file encoding = " + DEFAULT_CHARSET);