Update README.md

Author: amacneil

README.md

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 # Omnipay Common
 
-Core components for the Omnipay payment processing library
+**Core components for the Omnipay PHP payment processing library**
 
 [![Build Status](https://travis-ci.org/omnipay/common.png?branch=master)](https://travis-ci.org/omnipay/common)
 [![Latest Stable Version](https://poser.pugx.org/omnipay/common/version.png)](https://packagist.org/packages/omnipay/common)
 [![Total Downloads](https://poser.pugx.org/omnipay/common/d/total.png)](https://packagist.org/packages/omnipay/common)
+
+[Omnipay](https://github.com/omnipay/omnipay) is a framework agnostic, multi-gateway payment
+processing library for PHP 5.3+. This package implements common classes required by Omnipay.
+
+## Support
+
+If you are having general issues with Omnipay, we suggest posting on
+[Stack Overflow](http://stackoverflow.com/). Be sure to add the
+[omnipay tag](http://stackoverflow.com/questions/tagged/omnipay) so it can be easily found.
+
+If you want to keep up to date with release anouncements, discuss ideas for the project,
+or ask more detailed questions, there is also a [mailing list](https://groups.google.com/forum/#!forum/omnipay) which
+you can subscribe to.
+
+If you believe you have found a bug, please report it using the [GitHub issue tracker](https://github.com/omnipay/common/issues),
+or better yet, fork the library and submit a pull request.