timste/magento_bodyclass — pull request #5 by gfobe (2013-10-14 15:16:59+00:00)
Title: fix possible exception with Mage_Checkout_Block_*

```Mage_Checkout_Block_*``` doesn't have method ```addBodyClass```. It's more robust to check if block is an instance of ```Mage_Page_Block_Html``` like in the first version.