Add Gitter badge to the README

WonderCsabo · WonderCsabo · commit c8a3985ef58c · 2015-07-06T16:49:47.000+02:00
diff --git a/README.md b/README.md
@@ -8,3 +8,4 @@ It takes care of the **plumbing**, and lets you concentrate on what's really imp
 ### [**Documentation**](https://github.com/excilys/androidannotations/wiki/Home)
 
 [![Build Status](https://travis-ci.org/excilys/androidannotations.svg?branch=develop)](https://travis-ci.org/excilys/androidannotations/builds) [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-AndroidAnnotations-brightgreen.svg?style=flat)](http://android-arsenal.com/details/1/128)
+[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/excilys/androidannotations?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)

Original file line number	Diff line number	Diff line change
`@@ -8,3 +8,4 @@ It takes care of the plumbing, and lets you concentrate on what's really imp`
`8`	`8`	`### [Documentation](https://github.com/excilys/androidannotations/wiki/Home)`
`9`	`9`
`10`	`10`	`[![Build Status](https://travis-ci.org/excilys/androidannotations.svg?branch=develop)](https://travis-ci.org/excilys/androidannotations/builds) [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-AndroidAnnotations-brightgreen.svg?style=flat)](http://android-arsenal.com/details/1/128)`
	`11`	`+[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/excilys/androidannotations?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)`