Updated readme

Author: Nyholm

README.md

@@ -2,14 +2,10 @@
 
 [![Latest Version](https://img.shields.io/github/release/php-http/guzzle7-adapter.svg?style=flat-square)](https://github.com/php-http/guzzle7-adapter/releases)
 [![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE)
-[![Build Status](https://img.shields.io/travis/php-http/guzzle7-adapter.svg?style=flat-square)](https://travis-ci.org/php-http/guzzle7-adapter)
-[![Code Coverage](https://img.shields.io/scrutinizer/coverage/g/php-http/guzzle7-adapter.svg?style=flat-square)](https://scrutinizer-ci.com/g/php-http/guzzle7-adapter)
-[![Quality Score](https://img.shields.io/scrutinizer/g/php-http/guzzle7-adapter.svg?style=flat-square)](https://scrutinizer-ci.com/g/php-http/guzzle7-adapter)
 [![Total Downloads](https://img.shields.io/packagist/dt/php-http/guzzle7-adapter.svg?style=flat-square)](https://packagist.org/packages/php-http/guzzle7-adapter)
 
 **Guzzle 6 HTTP Adapter.**
 
-
 ## Install
 
 Via Composer
@@ -18,12 +14,10 @@ Via Composer
 $ composer require php-http/guzzle7-adapter
 ```
 
-
 ## Documentation
 
 Please see the [official documentation](http://docs.php-http.org/en/latest/clients/guzzle6-adapter.html).
 
-
 ## Testing
 
 First launch the http server:
@@ -38,22 +32,14 @@ Then the test suite:
 $ composer test
 ```
 
-
 ## Contributing
 
 Please see our [contributing guide](http://docs.php-http.org/en/latest/development/contributing.html).
 
-
 ## Security
 
 If you discover any security related issues, please contact us at [security@php-http.org](mailto:security@php-http.org).
 
-
-## Credits
-
-Thanks to [David de Boer](https://github.com/ddeboer) for implementing this adapter.
-
-
 ## License
 
 The MIT License (MIT). Please see [License File](LICENSE) for more information.