Initial checkin, a proper GPL banner

doomsday/Doc/Banner.txt

@@ -0,0 +1,22 @@
+/* DE1: $Id$
+ * Copyright (C) 2003 Jaakko Ker�nen <jaakko.keranen@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not: http://www.opensource.org/
+ */
+
+/*
+ * <file name>: <short summary>
+ *
+ * <description>
+ */