Updated OSB to work with KH 3.1

modules/invoice/classes/controller/user/invoice.php

@@ -31,8 +31,6 @@ class Controller_User_Invoice extends Controller_TemplateDefault {
 			'body'=>View::factory('invoice/list')
 				->set('invoices',$ao->invoice->find_all()),
 			));
-
-		$this->template->content = Block::factory();
 	}
 
 	/**

modules/invoice/classes/model/invoice.php

@@ -261,9 +261,9 @@ class Model_Invoice extends ORMOSB {
 		return $this->invoice_items[$c];
 	}
 
-	public function save() {
+	public function save(Validation $validation = NULL) {
 		// Save the invoice
-		parent::save();
+		parent::save($validation);
 
 		// Need to save the associated items and their taxes
 		if ($this->saved()) {