Enhancement: Require friendsofphp/php-cs-fixer

Author: localheinz

composer.json

@@ -19,6 +19,7 @@
  "psr/log": "^1.0"
  },
  "require-dev": {
+ "friendsofphp/php-cs-fixer": "~2.2.19",
  "guzzlehttp/guzzle": "^6.2.1",
  "kevinrob/guzzle-cache-middleware": "^1.4.1",
  "phpdocumentor/phpdocumentor": "^2.0",