Add requirejs to repo for DDC

tools/create_sdk.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 #
 # A script which will be invoked from gyp to create an SDK.
 #
 # Usage: create_sdk.py sdk_directory
 #
@@ skipping 179 matching lines @@
   copyfile(join(snapshots, 'spec.sum'),
            join(lib, '_internal', 'spec.sum'))
   copyfile(join(snapshots, 'strong.sum'),
            join(lib, '_internal', 'strong.sum'))
 
 def CopyDevCompilerSdk(home, lib):
   copyfile(join(home, 'pkg', 'dev_compiler', 'lib', 'sdk', 'ddc_sdk.sum'),
            join(lib, '_internal', 'ddc_sdk.sum'))
   copytree(join(home, 'pkg', 'dev_compiler', 'lib', 'js'),
            join(lib, 'dev_compiler'))
+  copyfile(join(home, 'third_party', 'requirejs', 'require.js'),
+           join(lib, 'dev_compiler', 'amd', 'require.js'))
 
 def Main():
   # Pull in all of the gypi files which will be munged into the sdk.
   HOME = dirname(dirname(realpath(__file__)))
 
   (options, args) = GetOptions()
 
   SDK = options.sdk_output_dir
   SDK_tmp = '%s.tmp' % SDK
 
@@ skipping 142 matching lines @@
       f.close()
 
   Copy(join(HOME, 'README.dart-sdk'), join(SDK_tmp, 'README'))
   Copy(join(HOME, 'LICENSE'), join(SDK_tmp, 'LICENSE'))
   Copy(join(HOME, 'sdk', 'api_readme.md'), join(SDK_tmp, 'lib', 'api_readme.md'))
 
   move(SDK_tmp, SDK)
 
 if __name__ == '__main__':
   sys.exit(Main())