hgweb: make stripes in branch list with CSS

mercurial/templates/paper/branches.tmpl

@@ -47,7 +47,9 b' files, or words in the commit message</d'
  <th>branch</th>
  <th>node</th>
 </tr>
+<tbody class="stripes2">
 {entries % branchentry}
+</tbody>
 </table>
 </div>
 </div>

mercurial/templates/paper/map

@@ -179,7 +179,7 b" bookmarkentry = '"
   </tr>'
 branches = branches.tmpl
 branchentry = '
-  <tr class="tagEntry parity{parity}">
+  <tr class="tagEntry">
     <td>
       <a href="{url|urlescape}shortlog/{node|short}{sessionvars%urlparameter}" class="{status}">
         {branch|escape}