message: Add Travis and version badges
diff: -# <img src="extension/icon.png" width="45" align="left"> Refined GitHub
  +# <img src="extension/icon.png" width="45" align="left"> Refined GitHub [![Chrome version][badge-cws]][link-cws] [![Firefox version][badge-amo]][link-amo] [![Deployment][badge-travis]][link-travis]
  +
  + [badge-cws]: https://img.shields.io/chrome-web-store/v/hlepfoohegkhhmjieoechaddaejaokhf.svg?label=chrome
  + [badge-amo]: https://img.shields.io/amo/v/refined-github-.svg?label=firefox
  + [badge-travis]: https://img.shields.io/travis/sindresorhus/refined-github/master.svg?label=deployment
  + [link-cws]: https://chrome.google.com/webstore/detail/refined-github/hlepfoohegkhhmjieoechaddaejaokhf "Version published on Chrome Web Store"
  + [link-amo]: https://addons.mozilla.org/en-US/firefox/addon/refined-github-/ "Version published on Mozilla Add-ons"
  + [link-travis]: https://travis-ci.org/sindresorhus/refined-github
  +
  > Chrome extension that simplifies the GitHub interface and adds useful features
  