[Seaside] 2.5 beta 1

[Avi Bryant]

Hi all,

I feel like Seaside 2.5 has now settled down enough, and has 
accomplished enough of what I was shooting for, to freeze the feature 
set and move it into beta.  I've put the first beta release on 
SqueakMap; this is essentially 2.5a6 with general fixes, and with 
modifications to WAHtmlDocument to allow streaming*.  Anyone still 
using Seaside 2.3 should now feel pretty safe starting to port their 
code to 2.5 without feeling like there will be major changes to the 
system.

This has been a pretty long alpha, I think due to my trying to bundle 
too many changes at once.  Hopefully the beta will move along quicker.  
I'll be sitting here, eagerly awaiting bug reports...

Have fun with it,
Avi

* Switching to a streaming mode should now require no changes to user 
code; however, a fully streaming configuration requires support from 
the webserver, and I haven't yet found a way to do this integration 
cleanly and portably.  So although the streaming changes have 
eliminated an internal buffer (by hooking the document directly into 
the Response object), the Response object itself still buffers the 
output and gives it to the webserver as one chunk.