[Seaside] utf-8 response conversion

[goran.krampe at bluefish.se]

Hi folks!

Just wanted to say a few things:

1. If you want me to integrate fixes etc into KHS (KomHttpServer), just
email me. I have been messing with utf8-etc myself a bit and it would be
nice to nail these issues now that 3.8 is coming out soon. (I have
Stephen Pair's permission to maintain KHS)

2. Mixing HttpView and Seaside seems pretty doable and a while back I
did move HttpView over to use the same low level HTML DOM generation
classes that Seaside had at the time. Seaside may of course have
diverted a bit since then, but i don't think much (haven't checked).
This means that HttpView has a builder class that is a subclass of the
builder used in Seaside.

3. I have written a new SocketStream that seems to be working well now.
It is called FastSocketStream and is on SM (though that version has a
serious bug, will post a new). When I wrote that I also profiled
KomHttpServer a bit and found plenty of places to improve it - which I
did just for fun. I haven't committed any of these things to
KomHttpServer yet, but the sum of it (FastSocketStream + fixes in
KomHttpServer) makes some nice numbers, especially in certain cases
(like file upload for example).

Anyway, I am all ears for ideas on how to move KomHttpServer forward,
and on how to best make HV interoperable with Seaside. HV is lightweight
and quite simple, so it should plug "right in" without much fuss I
guess.

regards, Göran