[ZWeb] Wiki spammer problem needs to be addressed ;(

[Tim Peters]

[Michael Haubenwallner]
> I can dedicate a few hours of cleanup work - we should decide who cleans
> which wikis though.

I take personal offense at the spam on the ZODB Wiki, so I'll clean that as
time permits.  This has to be a background task:  I'm writing this email
while waiting for "save changes" to finish -- and it's the fourth email I've
replied to since I clicked that button <wink>.