ENH: Improvements to the Xcode generator. Build frameworks using native Copy Headers and Copy Bundle Resources phases. Fix bugs: eliminate folders with no names, ensure source files show up in multiple targets, remove empty utility targets from Sources subtrees, ensure that fileRefs only show up once in each grouping folder.

Source/cmXCode21Object.h

@@ -1,3 +1,19 @@
+/*=========================================================================
+
+  Program:   CMake - Cross-Platform Makefile Generator
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even 
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
 #ifndef cmXCode21Object_h
 #define cmXCode21Object_h