Update print_version text

This commit updates the text issued by print_version() to reflect in
some way that the software contains contributions from co-authors.

The original text was based on the sterotypical --version output of
GNU coreutils programs. It may have to be rewritten eventually.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

0 files changed, 0 insertions, 0 deletions