message: Added issues badges
diff: <a href="https://github.com/DevExpress/testcafe">
  <img alt="Tested with TestCafe" src="https://img.shields.io/badge/tested%20with-TestCafe-2fa4cf.svg">
  </a>
  +<a href="https://github.com/surveyjs/surveyjs/issues">
  +<img alt="Issues" src="https://img.shields.io/github/issues/surveyjs/surveyjs.svg">
  +</a>
  +<a href="https://github.com/surveyjs/surveyjs/issues?utf8=%E2%9C%93&q=is%3Aissue+is%3Aclosed+">
  +<img alt="Closed issues" src="https://img.shields.io/github/issues-closed/surveyjs/surveyjs.svg">
  +</a>
  ![alt tag](https://cloud.githubusercontent.com/assets/22315929/22462339/ed33f60a-e7bd-11e6-942b-72882e6bf1db.gif)
  ## Getting started
  