public function update($id)
{
    //$id=$_POST['id'];
    $user = AppUser::find($id);
    $user->email = $_POST['email'];
    $user->name = $_POST['name'];
    if ($_POST['password'] != '') {
        $user->password = Hash::make($_POST['password']);

    }
    $user->user_level = $_POST['user_level'];
    $user->location =$_POST['location'];
    $user->gender = $_POST['gender'];
    $user->save();