Fixes to OSB to work with KH 3.3

modules/checkout/classes/Controller/Checkout.php

@@ -62,7 +62,7 @@ class Controller_Checkout extends Controller_TemplateDefault {
 				'body'=>$output,
 			));
 
-			$po = ORM::factory('checkout')
+			$po = ORM::factory('Checkout')
 				->payment_options_cart();
 
 			// @todo Country value should come from somewhere?
@@ -104,7 +104,7 @@ class Controller_Checkout extends Controller_TemplateDefault {
 	 * Process checkout
 	 */
 	private function checkout() {
-		$invoice = ORM::factory('invoice');
+		$invoice = ORM::factory('Invoice');
 
 		// Add our individual items to the invoice
 		foreach (Cart::instance()->contents()->find_all() as $item) {