Merge pull request #330 from keradus/php-cs-fixer

fix PHP CS Fixer url

README.md

 * [PHP Code Sniffer](https://github.com/squizlabs/PHP_CodeSniffer) - A library that detects PHP, CSS and JS coding standard violations.
 * [PHPCPD](https://github.com/sebastianbergmann/phpcpd) - A library that detects copied and pasted code.
 * [PHP Analyser](https://github.com/scrutinizer-ci/php-analyzer) - A library for analysing PHP code to find bugs and errors.
-* [PHP CS Fixer](https://github.com/fabpot/PHP-CS-Fixer) - A coding standard fixer library.
+* [PHP CS Fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer) - A coding standards fixer library.
 * [PHP Manipulator](https://github.com/schmittjoh/php-manipulator) - A library for analysing and modifying PHP Source Code.
 * [PHP Metrics](https://github.com/Halleck45/PhpMetrics) - A static metric library.
 * [PHP Refactoring Browser](https://github.com/QafooLabs/php-refactoring-browser) - A command line utility for refactoring PHP code.