[MERGE][1.0][Bug 124089] Add root_client_path parameter to SmartWSGIApp, and use it to translate paths received from clients to local paths.

[Alexander Belchenko]

Alexander Belchenko has voted comment.
Status is now: Conditionally approved
Comment:
PING. This patch was conditionally approved. Andrew, please tweak and 
merge it.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C20071214015112.GC14963%40steerpike.home.puzzling.org%3E