Moved gatekeeper from core to bootstrap

lib/classes/bootstrap.class.php

@@ -39,9 +39,15 @@ class bootstrap
     {
       return static::$core;
     }
-
+    
     static::$core = new Core($env);
-
+    
+    if (\setup::is_installed())
+    {
+      $gatekeeper = \gatekeeper::getInstance();
+      $gatekeeper->check_directory();
+    }
+    
     return static::$core;
   }