Merge pull request #25 from emanresusername/master

add maven version badge to readme

Author: lihaoyi

README.md

@@ -1,4 +1,4 @@
-SourceCode [![Build Status](https://travis-ci.org/lihaoyi/sourcecode.svg?branch=master)](https://travis-ci.org/lihaoyi/sourcecode) [![Join the chat at https://gitter.im/lihaoyi/Ammonite](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/lihaoyi/sourcecode?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+SourceCode [![Build Status](https://travis-ci.org/lihaoyi/sourcecode.svg?branch=master)](https://travis-ci.org/lihaoyi/sourcecode) [![Join the chat at https://gitter.im/lihaoyi/Ammonite](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/lihaoyi/sourcecode?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Maven Central](https://img.shields.io/maven-central/v/com.lihaoyi/sourcecode_2.11.svg)](https://maven-badges.herokuapp.com/maven-central/com.lihaoyi/sourcecode_2.11)
 ==========
 
 ```scala