Add the 3.3.3 sources for class-dump.

class-dump/README

+class-dump is a command-line utility for examining the Objective-C
+segment of Mach-O files.  It generates declarations for the classes,
+categories and protocols.  This is the same information provided by
+using 'otool -ov', but presented as normal Objective-C declarations.
+
+The latest version and information is available at:
+
+    <http://www.codethecode.com/projects/class-dump>
+
+-----
+
+This file is part of class-dump, a utility for examining the
+Objective-C segment of Mach-O files.
+Copyright (C) 1997-1998, 2000-2001, 2004-2010 Steve Nygard.
+
+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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+You may contact the author by:
+   e-mail:  class-dump at codethecode.com