Merge pull request zendframework#248 from samsonasik/autoloader

update init_autoloader.php : added check if composer $loader already have Zend lib

Author: Ocramius

init_autoloader.php

@@ -31,7 +31,7 @@
     $zf2Path = get_cfg_var('zf2_path');
 }
 
-if ($zf2Path) {
+if ($zf2Path && !class_exists('Zend\Loader\AutoloaderFactory')) {
     if (isset($loader)) {
         $loader->add('Zend', $zf2Path);
         $loader->add('ZendXml', $zf2Path);