chalien/lara_admin — pull request #16 by gitetsu (2012-09-27 00:27:56+00:00)
Title: [feature] display alternative text if reference id is not found

example:
```php
public $belongModels= array(
"author_id"=>array("model"=>"Author", "column"=>"name", "showon"=>"both", "alternative_text" => "---")
);
```