Add extra redirect for homepage

The redirection from the old wiki redirects wiki.apertis.org/* to www.apertis.org/old-wiki/*, currently this works when a specific page is specified, but not when redirected to www.apertis.org/old-wiki.

Add in an extra alias to handle this case.

Signed-off-by: Martyn Welch martyn.welch@collabora.com