[Bf-python] script registration

[Michael Reimpell]

> dunno if that's ok, may well be - just thought of mentioning one a bit
> related technique -- i.e. the way metadata is added to rst docstrings,
The idea was _not_ to use the docstring at all!

> would that make sense here?
This is even worse, since it forces the developers to use a specific 
documentation markup. At the moment there are quite a few documentation 
systems in use, e.g. see http://epydoc.sourceforge.net/relatedprojects.html.

Michael