Minor fixes from live site.

modules/invoice/classes/Task/Invoice/Reminddue.php

@@ -18,7 +18,7 @@ class Task_Invoice_Reminddue extends Minion_Task {
 		foreach (ORM::factory('Invoice')->list_due(time()+86400*$days) as $io) {
 			// @todo Use another option to supress reminders
 			// If we have already sent a reminder, we'll skip to the next one.
-			if (($io->remind($key) AND (is_null($x=$this->request->param('id')) OR $x != 'again')) OR ($io->account->invoice_delivery != 1))
+			if ($io->remind($key) OR ($io->account->invoice_delivery != 1))
 				continue;
 
 			// Generate a token to view the invoice online