[Typo3] caching of pages does not work

[Stig N. Færch]

> also, make sure that you don't use any extensions that block caching
> (older tt_news versions did so, for example). or configure those
> extensions to allow caching, since only cached pages are indexed.

I also had problems that no pages were indexed. Finally I found that it 
was Advanced Banner Mangement (macina_banners) which disabled cache when 
it was in random-mode. As the banner was present on every page, no pages 
were cached at all.

/Stig