[Zope] Recursively read and write folders during install

[Jens Vagelpohl]

> First off, why develop your files on the file system?  Why not
> develop them in Zope and then publish them by exporting a .zexp file?

Huh? There's a lot of very good reasons why some content/logic is *way* 
better off on the file system, especially content/logic that rarely 
changes. Think "real text editors" or "CVS/SVN code management" or 
"grep and other great utilities" or "really simple deployment".

jens