Gvbox THANKS file

Gvbox has originally been written by Daniel Elstner <daniel.elstner@gmx.net>.
Many people have further contributed to Gvbox by reporting problems, 
suggesting various improvements, or submitting actual code. Here is
a list of these people. Help me keep it complete and exempt of errors.

Simon Schunter <simon@schunter.net>	first alpha tester
Markus Deiml <markus@deiml.net>		many improvement suggestions
