Add some style fixers

.editorconfig

@@ -0,0 +1,13 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+
+[*.yml]
+indent_style = space
+indent_size = 2

.gitignore

@@ -1,3 +1,4 @@
+.php_cs.cache
 phpunit.xml
 composer.lock
 composer.phar

.php_cs

@@ -0,0 +1,14 @@
+<?php
+
+$finder = Symfony\CS\Finder\DefaultFinder::create()
+    ->in(__DIR__);
+
+$fixers = array(
+    'long_array_syntax',
+);
+
+return Symfony\CS\Config\Config::create()
+    ->setUsingCache(true)
+    ->level(Symfony\CS\FixerInterface::PSR2_LEVEL)
+    ->fixers($fixers)
+    ->finder($finder);

.styleci.yml

@@ -0,0 +1,4 @@
+preset: psr2
+
+enabled:
+  - long_array_syntax