Merged [317] and [318] to 0.6-stable.
Added missing contrib directory
Strip linefeed from form arguments. Fixes #121.
Properly escape wiki diffs.
Created 0.6-stable branch
Tagging trac-0.6
Added TracRss and bumped version number.
The correct start page, and removed WikiStart from download list.
Updated wiki documentation for 0.6 release.
Added changes from 0.5.2