message: Add currentDate function into FunctionFactory
diff: @@ -110,3 +110,8 @@ function isDisplayMode() {
  return this.survey && this.survey.isDisplayMode;
  }
  FunctionFactory.Instance.register("isDisplayMode", isDisplayMode);
  +
  +function currentDate() {
  + return new Date();
  +}
  +FunctionFactory.Instance.register("currentDate", currentDate);
  