Merge pull request #246 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md

README.md

@@ -1,6 +1,8 @@
 Whiteout Mail [![Build Status](https://travis-ci.org/whiteout-io/mail-html5.svg?branch=master)](https://travis-ci.org/whiteout-io/mail-html5)
 ==========
 
+[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/whiteout-io/mail-html5?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
 Whiteout Mail is an easy to use email client with integrated OpenPGP encryption written in pure JavaScript. Download the official version under [whiteout.io](https://whiteout.io/#product).
 
 ![Screenshot](https://whiteout.io/img/screens.png)