public function update($userId)
    {
        try
        {
            $permissions = Input::get('permissions', array());
            $this->users->updatePermissions($userId,$permissions);

            return Redirect::route('cpanel.users.index')
                ->with('success', Lang::get('cpanel::users.permissions_update_success'));
        }
        catch ( UserNotFoundException $e)
        {
            return Redirect::route('cpanel.users.permissions')
                ->with('error', $e->getMessage());
        }

    }