public function getListarfilesangular()
 {
     $id_user = 1;
     //;Auth::user()->id;
     $userName = '******';
     //Auth::user()->username;
     $model = new Archivo();
     $files = $model->where('user_id', '=', $id_user)->where('estado', '=', 0)->get();
     return Response::json(array('files' => $files, 'userName' => $userName));
 }