Fix autoloader issues for global install

Author: richdynamix

Diff for: magestead

@@ -10,7 +10,7 @@
 set_time_limit(0);
 
 // include the composer autoloader
-require_once __DIR__ . '/vendor/autoload.php';
+require_once __DIR__ . '/../../../vendor/autoload.php';
 
 // import the Symfony Console Application
 use Symfony\Component\Console\Application;