[Catalog-sig] start on static generation, and caching - apache config.

["Martin v. Löwis"]

> The speed has noticeably improved (thanks!) but as recently as Monday
> PyPI was unresponsive and then returning proxy errors.  It definitely
> caused us (Creative Commons) to lose productivity Monday afternoon
> (PDT).

Ok. What precisely was that proxy error? (I'm puzzled, because I'm
not aware of a proxy somewhere)

Regards,
Martin