Move core/scripts to build/scripts so that platform can use them.

Source/build/scripts/name_macros.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 155 matching lines @@
 
     def generate_interfaces_header(self):
         return INTERFACES_HEADER_TEMPLATE % {
             'license': license.license_for_generated_cpp(),
             'class_name': self.class_name,
             'macro_style_name': _to_macro_style(self.class_name),
             'declare_conditional_macros': self._declare_conditional_macros(),
             'unconditional_macros': '\n'.join(sorted(set(map(self._unconditional_macro, self._unconditional_entries)))),
             'conditional_macros': '\n'.join(map(self._conditional_macros, self._entries_by_conditional.keys())),
         }