[GeneralDiscussion] update

Good day all, a quick update:

- I've made the zope memory monitor on zwiki.org check *resident  
memory* instead of total virtual memory. I expect this to reduce the  
restart frequency, which was getting silly as I ran some tests on  
other zope.

- I pushed a bunch of skin cleanups to ZWiki-unstable. This came from  
my efforts to clean up the zope 3 wiki skin and make it easier to  
maintain on the filesystem. It's now possible to specify an alternate  
filesystem skin directory (layered over zwiki) with a "skin" property  
(or request var.)

- I also pushed some more unicode fixes. I'm starting to feel a little  
more optimistic about this. There are just two major things I know  
that are broken - 1. indexing of some unicode content, which must be  
solved by newer and better catalog products, and 2. upgrading non- 
unicode wikis - there is some chicken and egg with updating the  
outline cache and unicoding the pages during upgrade. dev.zwiki.org is  
running the latest code and breaks on zwiki.org content, but it seems  
to handle the zope 3 wiki content pretty well on my macbook.

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