Fixed README links.

Author: z3t0

README.md

@@ -2,16 +2,16 @@
 
 [![Build Status](https://travis-ci.org/z3t0/Arduino-IRremote.svg?branch=master)](https://travis-ci.org/z3t0/Arduino-IRremote)
 
-[![Join the chat at https://gitter.im/shirriff/Arduino-IRremote](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/shirriff/Arduino-IRremote?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Join the chat at https://gitter.im/z3t0/Arduino-IRremote](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/z3t0/Arduino-IRremote?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 This library enables you to send and receive using infra-red signals on an Arduino.
 
-Check [here](http://shirriff.github.io/Arduino-IRremote/) for tutorials and more information.
+Check [here](http://z3t0.github.io/Arduino-IRremote/) for tutorials and more information.
 
 ## Version - 2.01
 
 ## Installation
-1. Navigate to the [Releases](https://github.com/shirriff/Arduino-IRremote/releases) page.
+1. Navigate to the [Releases](https://github.com/z3t0/Arduino-IRremote/releases) page.
 2. Download the latest release.
 3. Extract the zip file
 4. Move the "IRremote" folder that has been extracted to your libraries directory.