update

30/config/apps.config.php

@@ -0,0 +1,15 @@
+<?php
+$CONFIG = array (
+  'apps_paths' => array (
+      0 => array (
+              'path'     => OC::$SERVERROOT.'/apps',
+              'url'      => '/apps',
+              'writable' => false,
+      ),
+      1 => array (
+              'path'     => OC::$SERVERROOT.'/custom_apps',
+              'url'      => '/custom_apps',
+              'writable' => true,
+      ),
+  ),
+);