0.12.3dev: Genshi 0.7dev doesn't work with Trac 0.12-stable.
0.12.3dev: Genshi 0.7dev doesn't work with Trac 0.12-stable.

Make that clear in the package requirements.

Closes #10126.

git-svn-id: 764b04d0c6fbbea0ee05220aef3208173ff13049@10921 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac