Add initial support for grid index URLs

Yay, been wanting this for some time now.

tailbone/templates/master/view.mako

@@ -5,6 +5,7 @@
 
 <%def name="context_menu_items()">
   <li>${h.link_to("Back to {}".format(model_title_plural), index_url)}</li>
+  <li>${h.link_to("Permalink for this {}".format(model_title), action_url('view', instance))}</li>
   % if master.editable and instance_editable and request.has_perm('{}.edit'.format(permission_prefix)):
       <li>${h.link_to("Edit this {}".format(model_title), action_url('edit', instance))}</li>
   % endif

tailbone/templates/newgrids/grid.mako

@@ -25,7 +25,7 @@
             % endfor
             % if grid.show_actions_column:
                 <td class="actions">
-                  ${grid.render_actions(row)}
+                  ${grid.render_actions(row, i)}
                 </td>
             % endif
           </tr>