Log Message:
Trac 0.11.3 contains a number of bug fixes and minor enhancements.

Highlights in 0.11.3
--------------------
 * Compatibility with Python 2.6 (#7876, #7458)
 * PostgreSQL db backend improvement (#4987, #7600)
 * Highlighting of search results is more robust (#7324, #7830)
 * Unicode related fixes (#7672, #7959, #7845, #7935, #8024)
 * Fixed Trac link rendering in ReST (#7712)