Update phpcs

Author: sagikazarmark

.gitignore

@@ -1,7 +1,8 @@
+/.php_cs
+/.php_cs.cache
 /behat.yml
 /build/
 /composer.lock
 /phpspec.yml
 /phpunit.xml
 /vendor/
-/.php_cs.cache

.php_cs

@@ -0,0 +1,23 @@
+<?php
+
+/*
+ * Configuration for fabpot/php-cs-fixer
+ *
+ * @link https://github.com/FriendsOfPHP/PHP-CS-Fixer
+ */
+
+$finder = PhpCsFixer\Finder::create()
+    ->in('src')
+    ->in('spec')
+;
+return PhpCsFixer\Config::create()
+    ->setRules([
+        '@PSR2' => true,
+        '@Symfony' => true,
+        'array_syntax' => [
+            'syntax' => 'short',
+        ],
+        'no_empty_phpdoc' => true,
+        'no_superfluous_phpdoc_tags' => true,
+    ])
+    ->setFinder($finder);