message: added some trace log message to help with setting up forwarding client IP from proxy
diff: @@ -94,6 +94,9 @@ class Authentication {
  _tokenVerifier() {
  return async (ctxt, next) => {
  + log.trace(`client X-Forwarded-For header: ${ctxt.header['X-Forwarded-For']}`);
  + log.trace(`client IP address: ${ctxt.ip}`);
  +
  let m = bearerTokenPattern.exec(ctxt.header['authorization']);
  if (m) {
  let session = this._tokenToSession(m[1]);
  