Update product category view to include default price_display configured by category

modules/product/classes/Model/Product/Category.php

@@ -30,6 +30,20 @@ class Model_Product_Category extends ORM_OSB {
 		return ($a=$this->product_category_translate->where('language_id','=',$ao->language_id)->find()->description) ? $a : _('No Description');
 	}
 
+	/**
+	 * List all the products belonging to this cateogry
+	 * @todo Consider if we should cache this
+	 */
+	public function products() {
+		$return = array();
+
+		foreach (ORM::factory('Product')->where_active()->find_all() as $po)
+			if (in_array($this->id,$po->categories()))
+				array_push($return,$po);
+
+		return $return;
+	}
+
 	public function list_bylistgroup($cat) {
 		$result = array();