Log Message:
Update to Trac 0.8 'Qualia'  (Nov 15, 2004)
http://svn.edgewall.com/repos/trac/tags/trac-0.8

Thanks to Simon Kuhn <sak8@eecs.cwru.edu> for the initial patch.

Upstream changelog:
 * Roadmap module.
 * Support for custom ticket properties.
 * Wiki administration features.
 * Advanced ticket queries.
 * Improved diff display.
 * User preferences.
 * Wiki editing (near-wysiwyg) aids a la wikipedia.
 * Improved email notification.
 * Fixed bugs