0.11-stable: Fix for #6796 (Trac error reporting for misconfigured repositories).
Merged r7433 from 0.11-stable.
0.11-stable: Added back the default egg cache for the wsgi deploy script.
Backported fix for #7385 from 0.11-stable (r7400, r7431).
0.11-stable: Fixes unit test broken by r7400.
TracMercurial for 0.11: fix typo after last merge, closes #7493.
Actually 2.3 until resolved.
Update comment for backwards compatibility.
Update copyright.
Get rid of attrgetter and itemgetter, not used anywhere.