Updated all the readmes to be coherent

Author: Nyholm

README.md

@@ -1,5 +1,9 @@
 # Memcached PSR-6 Cache pool 
-[![Latest Stable Version](https://poser.pugx.org/cache/memcached-adapter/v/stable)](https://packagist.org/packages/cache/memcached-adapter) [![codecov.io](https://codecov.io/github/php-cache/memcached-adapter/coverage.svg?branch=master)](https://codecov.io/github/php-cache/memcached-adapter?branch=master) [![Build Status](https://travis-ci.org/php-cache/memcached-adapter.svg?branch=master)](https://travis-ci.org/php-cache/memcached-adapter) [![Total Downloads](https://poser.pugx.org/cache/memcached-adapter/downloads)](https://packagist.org/packages/cache/memcached-adapter)  [![Monthly Downloads](https://poser.pugx.org/cache/memcached-adapter/d/monthly.png)](https://packagist.org/packages/cache/memcached-adapter) [![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/memcached-adapter/v/stable)](https://packagist.org/packages/cache/memcached-adapter)
+[![Total Downloads](https://poser.pugx.org/cache/memcached-adapter/downloads)](https://packagist.org/packages/cache/memcached-adapter)
+[![Monthly Downloads](https://poser.pugx.org/cache/memcached-adapter/d/monthly.png)](https://packagist.org/packages/cache/memcached-adapter)
+[![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE)
 
 This is a PSR-6 cache implementation using Memcached. It is a part of the PHP Cache organisation. To read about 
 features like tagging and hierarchy support please read the shared documentation at [www.php-cache.com](http://www.php-cache.com). 
@@ -10,7 +14,7 @@ features like tagging and hierarchy support please read the shared documentation
 composer require cache/memcached-adapter
 ```
 
-### Configure
+### Use
 
 To create an instance of `MemcachedCachePool` you need to configure a `\Memcached` client. 
 
@@ -19,3 +23,8 @@ $client = new \Memcached();
 $client->addServer('localhost', 11211);
 $pool = new MemcachedCachePool($client);
 ```
+
+### Contribute
+
+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).