[Trac] Using trac without source repository

[Andrea aime]

I'm looking for a project management, wiki and issue tracker
software and Trac seems to be quite attractive.

The only downside is, I can't use subversion as the version
control for my work projects, it's simply of question since people
are comfortable with cvs and I already forced the introduction
of too many new libraries lately (I know they are similar
command line wise, I use subversion myself for my open
source projects).

The question may sound a bit stupid but, can I use the other
services provided by Trac without using the svn integration?
Do I have to install subversion anyway (no big deal)?
Would it be possibile to add a module in order to interface
Trac with a cvs repository too (only for the diff/source
code links capabilities).

Best regards
Andrea Aime