Display sequence for product alt codes

Might as well, for now..

tailbone/templates/products/view.mako

@@ -150,12 +150,14 @@
       <div class="grid full hoverable no-border">
         <table>
           <thead>
+            <th>Seq</th>
             <th>Code</th>
           </thead>
           <tbody>
-            % for i, code in enumerate(product.codes, 1):
+            % for i, code in enumerate(product._codes, 1):
                 <tr class="${'odd' if i % 2 else 'even'}">
-                  <td>${code}</td>
+                  <td>${code.ordinal}</td>
+                  <td>${code.code}</td>
                 </tr>
             % endfor
           </tbody>