Updated badges on README again.

README.md

@@ -1,8 +1,9 @@
 # AWS SDK for PHP
 
-[![Apache 2 License](https://img.shields.io/packagist/l/aws/aws-sdk-php.svg?style=flat)]()
+[![@awsforphp on Twitter](http://img.shields.io/badge/twitter-%40awsforphp-blue.svg?style=flat)](https://twitter.com/awsforphp)
 [![Total Downloads](https://img.shields.io/packagist/dt/aws/aws-sdk-php.svg?style=flat)](https://packagist.org/packages/aws/aws-sdk-php)
 [![Build Status](https://img.shields.io/travis/aws/aws-sdk-php.svg?style=flat)](https://travis-ci.org/aws/aws-sdk-php)
+[![Apache 2 License](https://img.shields.io/packagist/l/aws/aws-sdk-php.svg?style=flat)](http://aws.amazon.com/apache-2-0/)
 [![Gitter](https://badges.gitter.im/Join Chat.svg)](https://gitter.im/aws/aws-sdk-php?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 The **AWS SDK for PHP** enables PHP developers to use [Amazon Web Services][aws]