code: private static void initializeLogging() {
          try {
              String mdwLogLevel = LoggerUtil.initializeLogging();
              if (mdwLogLevel != null) {
                  LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
                  loggerContext.getLogger("com.centurylink.mdw").setLevel(Level.toLevel(mdwLogLevel.toLowerCase()));
              }
          }
          catch (IOException ex) {
              ex.printStackTrace();
          }
      }
docs: Make zero-config logback logging honor mdw.logging.level in mdw.yaml.