Updated all the readmes to be coherent

Author: Nyholm

README.md

@@ -1,5 +1,9 @@
 # PSR-6 Session handler
-[![Latest Stable Version](https://poser.pugx.org/cache/session-handler/v/stable)](https://packagist.org/packages/cache/session-handler) [![codecov.io](https://codecov.io/github/php-cache/session-handler/coverage.svg?branch=master)](https://codecov.io/github/php-cache/session-handler?branch=master) [![Build Status](https://travis-ci.org/php-cache/session-handler.svg?branch=master)](https://travis-ci.org/php-cache/session-handler) [![Total Downloads](https://poser.pugx.org/cache/session-handler/downloads)](https://packagist.org/packages/cache/session-handler)  [![Monthly Downloads](https://poser.pugx.org/cache/session-handler/d/monthly.png)](https://packagist.org/packages/cache/session-handler) [![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE)
+[![Gitter](https://badges.gitter.im/php-cache/cache.svg)](https://gitter.im/php-cache/cache?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
+[![Latest Stable Version](https://poser.pugx.org/cache/session-handler/v/stable)](https://packagist.org/packages/cache/session-handler)
+[![Total Downloads](https://poser.pugx.org/cache/session-handler/downloads)](https://packagist.org/packages/cache/session-handler)
+[![Monthly Downloads](https://poser.pugx.org/cache/session-handler/d/monthly.png)](https://packagist.org/packages/cache/session-handler)
+[![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE)
 
 This is a PHP session handler that supports PSR-6 cache. It is a part of the PHP Cache organisation. Find more 
 documentation at [www.php-cache.com](http://www.php-cache.com). 
@@ -11,7 +15,7 @@ documentation at [www.php-cache.com](http://www.php-cache.com).
 composer require cache/session-handler
 ```
 
-### Configure
+### Use
 
 ```php
 $pool = new ArrayCachePool();
@@ -22,4 +26,5 @@ $sessionHandler = new Psr6SessionHandler($pool, $config);
 
 ### Contribute
 
-Contributions are very welcome! Send us a pull request or report any issues you find on the [issue tracker](https://github.com/php-cache/issues/issues).
+Contributions are very welcome! Send a pull request to the [main repository](https://github.com/php-cache/cache) or 
+report any issues you find on the [issue tracker](http://issues.php-cache.com).