code: function renderHTML(callback) {
              async.map(codeList, function (locals, n) {
                  locals.req = req;
                  ViewHelper.render({
                      cache: true,
                      path: SCRIPT_JADE
                  }, locals, n)
              }, function (err, buf) {
                  if (!err) {
                      buf = buf || [];
                      buf.splice(0, 0, SCRIPT_START_TAG);
                      buf.push(bottomScriptList.join(""));
                      buf.push(SCRIPT_END_TAG);
                  }
                  callback(err, buf.join(""));
              });
          }
docs: Function renders html.
  @param callback {Function} callback function - arguments - err, html