Change the copyright notice according to CNRI's wishes, with

BeOpen.com added to the front.

(Even if maybe we won't print this long banner at startup, the string
must still be defined for sys.copyright.)

Python/getcopyright.c

@@ -3,8 +3,11 @@
 #include "Python.h"
 
 static char cprt[] = 
-"Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam\n\
-Copyright 1995-2000 Corporation for National Research Initiatives (CNRI)";
+"Copyright (c) 2000 BeOpen.com; All Rights Reserved.\n\
+Copyright (c) 1995-2000 Corporation for National Research Initiatives;\n\
+All Rights Reserved.\n\
+Copyright (c) 1991-1995 Stichting Mathematisch Centrum, Amsterdam;\n\
+All Rights Reserved.";
 
 const char *
 Py_GetCopyright(void)