0.11-stable: Added missing `_` import.
Merged [7453] from 0.11-stable.
0.11-stable: Slightly improved `trac-post-commit-hook` inline documentation.
0.11-stable: Bringing the branch back to stable state.
Tagging trac-0.11.1
Backported r7449 from 0.11-stable.
0.11-stable: Fixed a few unit-tests broken by r7445.
0.11-stable: Bump version number.
0.11-stable: Updated RELEASE and ChangeLog.
trunk: Svnmerged [7445] from 0.11-stable (#1467 - `$USER` in custom queries).