Merge pull request #203 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md

README.md

@@ -1,4 +1,5 @@
 # Signal for iOS [![Build Status](https://travis-ci.org/WhisperSystems/Signal-iOS.svg?branch=master)](https://travis-ci.org/WhisperSystems/Signal-iOS)
+[![Gitter](https://badges.gitter.im/Join Chat.svg)](https://gitter.im/WhisperSystems/Signal-iOS?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 Signal allows you to make private phone calls and we are working on bringing secure messaging to it soon.