[Systems] Patchwork upgraded

[Bernie Innocenti]

I refreshed our git snapshot of Patchwork.

(Patchwork now requires Django 1.2, which isn't yet packaged for Ubuntu,
so I installed it locally in the lib/packages/ directory).

-- 
   // Bernie Innocenti - http://codewiz.org/
 \X/  Sugar Labs       - http://sugarlabs.org/