Log Message:
- update to v1.4.1
- grab maintainership
- ok'ed wiz@, snj@, schmonz@

Lots of changes, please see http://www.akhphd.au.dk/~bertho/cvsgraph/#changes
for full details.

In brief:

- Implement new option to generate proper maps for different levels of HTML.
- Lots of bug fixes
- Implemented folding of empty branches
- Implemented logentry expansions using %l and %L
- You can now instruct CvsGraph to ommit all revisions that are not tagged
- Configuration no longer requires a configuration file