Fix missing internationalisation and display of empty cells, thanks

Thierry Godefroy!

templates/default/css/default.css

@@ -1042,6 +1042,11 @@ div.printerFriendly td.attachField {
     text-align: right;
 }
 
+div.printerFriendly td.attachFieldValue {
+    text-align: left;
+    empty-cells: show;
+}
+
 div.printerFriendly td.attachName {
     font-weight: bold;
 }

templates/default/printer_friendly_bottom.tpl

@@ -69,7 +69,7 @@ extract($t);
 if (count($attachments) > 0) {
     ?>
 <hr />
-<b>Attachments:</b>
+<b><?php echo _("Attachments"); ?>:</b>
  <?php
     foreach ($attachments as $attachment) {
         ?>