sdk files reorganization to make dart2js a proper package

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 186 matching lines @@
   os.makedirs(LIB)
 
   #
   # Create and populate lib/{async, core, isolate, ...}.
   #
 
   os.makedirs(join(LIB, 'html'))
 
   for library in [join('_blink', 'dartium'),
                   join('_chrome', 'dart2js'), join('_chrome', 'dartium'),
-                  join('_internal', 'compiler'),
+                  join('_internal', 'js_runtime'),
+                  join('_internal', 'sdk_library_metadata'),
                   'async', 'collection', 'convert', 'core', 'developer',
                   'internal', 'io', 'isolate',
                   join('html', 'dart2js'), join('html', 'dartium'),
                   join('html', 'html_common'),
                   join('indexed_db', 'dart2js'), join('indexed_db', 'dartium'),
                   'js', 'math', 'mirrors', 'profiler', 'typed_data',
                   join('svg', 'dart2js'), join('svg', 'dartium'),
                   join('web_audio', 'dart2js'), join('web_audio', 'dartium'),
                   join('web_gl', 'dart2js'), join('web_gl', 'dartium'),
                   join('web_sql', 'dart2js'), join('web_sql', 'dartium')]:
     copytree(join(HOME, 'sdk', 'lib', library), join(LIB, library),
              ignore=ignore_patterns('*.svn', 'doc', '*.py', '*.gypi', '*.sh',
                                     '.gitignore'))
 
-  # Copy lib/_internal/libraries.dart.
-  copyfile(join(HOME, 'sdk', 'lib', '_internal', 'libraries.dart'),
-           join(LIB, '_internal', 'libraries.dart'))
-
   # Create and copy tools.
   UTIL = join(SDK_tmp, 'util')
   os.makedirs(UTIL)
 
   RESOURCE = join(SDK_tmp, 'lib', '_internal', 'pub', 'asset')
   os.makedirs(os.path.dirname(RESOURCE))
   copytree(join(HOME, 'third_party', 'pkg', 'pub', 'lib', 'src',
                 'asset'),
            join(RESOURCE),
            ignore=ignore_patterns('.svn'))
@@ skipping 22 matching lines @@
       f.write('%s\n' % revision)
       f.close()
 
   Copy(join(HOME, 'README.dart-sdk'), join(SDK_tmp, 'README'))
   Copy(join(HOME, 'sdk', 'api_readme.md'), join(SDK_tmp, 'lib', 'api_readme.md'))
 
   move(SDK_tmp, SDK)
 
 if __name__ == '__main__':
   sys.exit(Main())