adding licensing information to files, removing some tabs

app/PdePreprocessor.java

@@ -1,5 +1,28 @@
-// This class will be the new CUP-generated preprocessor.
-//
+/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  PdePreprocessor - default cup-generated parser (not yet implemented)
+  Part of the Processing project - http://Proce55ing.net
+
+  Copyright (c) 2001-03 
+  Ben Fry, Massachusetts Institute of Technology and 
+  Casey Reas, Interaction Design Institute Ivrea
+
+  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, write to the Free Software Foundation, 
+  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
 public class PdePreprocessor {
 
   public PdePreprocessor() {