Update content in AJAX with renderPartial

Comparing #9 with #10

Title

Update content in AJAX with partialRenderrenderPartial

Content

The easiest way to update content in AJAX is to use the partialRenderrenderPartial method.

For this exemple I have three files: a controller (HelloWorldController.php) and two views (index.php and _ajaxContent.php)

<br />
#### controllers/HelloWorldController.php
[...]