code: function (ui, done) {
          var port = ui.options.get("port");
          var listenHost = ui.options.get("listen", "localhost");
          ui.bs.utils.portscanner.findAPortNotInUse(port, port + 100, {
              host: listenHost,
              timeout: 1000
          }, function (err, port) {
              if (err) {
                  return done(err);
              }
              done(null, {
                  options: {
                      port: port
                  }
              });
          });
      }
docs: The UI uses it's own server/port
  @param ui
  @param done