Log Message:
Update ja-trac to 0.11.6pl1,aka Trac-0.11.6.ja1.
(security fixes are already by 0.11.5pl1nb1 in pkgsrc)

Trac-0.11.6.ja1 (Jan 24, 2010)
 * Merge Trac-0.11.6
 * Apply patch
   - trac:changeset:8997

Trac 0.11.6 (November 28, 2009)
http://svn.edgewall.org/repos/trac/tags/trac-0.11.6

 Trac 0.11.6 contains two security fixes and a number of bug fixes,
 performance improvements and minor enhancements. The following list
 contains only a few highlights:

Security fixes:
 * Fixed the policy checks in report results when using alternate formats.
 * Added a check for the "raw" role that is missing in docutils < 0.6.

Performance improvements:
 * Re-enabled connection pooling with SQLite (#3446).
 * Added caching of configuration options (#8510).

Bug fixes:
 * Fixed the "database is locked" issue with SQLite (#3446, #8468).
 * Deprecated SQLite 2.x support (#8625).
 * Fixed hanlding of times in timezones with DST (#8240).
 * Avoid corruption of trac.ini during write (#8623).
 * Improved support for revision ranges in revision log view (#8349)