New packaging script.
* Revert back compatibility level to 4 allowing easier backporting to Sarge.
* New upstream release.
0.9-stable: Bump version number.
Tagging trac-0.9.4
0.9-stable: Bumping version number to 0.9.4
0.9-stable: Updated the RELEASE note.
Updated the RELEASE note.
Ported ChangeLog update to 0.9-stable.
Added [milestone:0.9.4] to ChangeLog.