Check if php-cs-fixer is in the path (like with a brew install or custom /usr/local/opt/php54/bin:/usr/local/bin:/usr/local/sbin/:/usr/local/share/npm/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin)
Merge pull request #4 from Nasga/master

Use php-cs-fixer in path