freebusy file extension

[Martin Konold]

Hi Joon,

FYI: I changed the default extension of freebusy files to .ifb instead of .vfb 
in order to be more standard compliant.

Yours,
-- martin

Dipl.-Phys. Martin Konold

e r f r a k o n
Erlewein, Frank, Konold & Partner - Beratende Ingenieure und Physiker
Nobelstrasse 15, 70569 Stuttgart, Germany
fon: 0711 67400963, fax: 0711 67400959
email: martin.konold at erfrakon.de