Design/2columns

perasaan pas "git status" tadi change to commited :
	modified:   module/Application/Module.php
	new file:   module/Application/view/layout/2columns.phtml
	deleted:    module/LearnZF2Ajax/view/learn-zf2-ajax/index/form-ajax.phtm

kenapa readme ikut lagi yaak.. btw review ya..
add docblock : 
```php
/**
  * Handle layout on 'dispatch' event
  *
  * @param MvcEvent $e
  * @return void
  */
```