message: chore(docs): Added MIT Licence Badge and aligned all badges
diff: -<p>
  +<p align="center">
  <a href="http://badge.fury.io/js/jest"><img src="https://badge.fury.io/js/jest.svg" alt="npm version"></a>
  - <a href="https://twitter.com/intent/follow?screen_name=fbjest"><img align="right" src="https://img.shields.io/twitter/follow/fbjest.svg?style=social&label=Follow%20@fbjest" alt="Follow on Twitter"></a>
  + <a href="https://github.com/facebook/jest/blob/master/LICENSE">
  + <img src="https://img.shields.io/badge/license-MIT-blue.svg" alt="Jest is released under the MIT license." />
  + </a>
  + <a href="https://twitter.com/intent/follow?screen_name=fbjest"><img align="center" src="https://img.shields.io/twitter/follow/fbjest.svg?style=social&label=Follow%20@fbjest" alt="Follow on Twitter"></a>
  </p>
  <!-- A spacer -->
  