STk Copyright

From release 4.0.1 of STk.

STk Copyright
-------------

/*
 * Copyright © 1993-1999 Erick Gallesio - I3S-CNRS/ESSI >eg@unice.fr<
 * 
 *
 * Permission to use, copy, modify, distribute,and license this
 * software and its documentation for any purpose is hereby granted,
 * provided that existing copyright notices are retained in all
 * copies and that this notice is included verbatim in any
 * distributions.  No written agreement, license, or royalty fee is
 * required for any of the authorized uses.
 * This software is provided ``AS IS'' without express or implied
 * warranty.
 *
 */