Copy README.dart-sdk to dart-sdk/README .

dart.gyp

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'compiler',
       'type': 'none',
       'dependencies': [
@@ skipping 26 matching lines @@
           'action_name': 'create_sdk_py',
           'inputs': [
             '<!@(["python", "tools/list_files.py", "\\.dart$", "lib"])',
             '<!@(["python", "tools/list_files.py", "import_.*\\.config$", "lib/config"])',
             'tools/create_sdk.py',
             '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)dart<(EXECUTABLE_SUFFIX)',
             '<(PRODUCT_DIR)/dart2js',
             '<(PRODUCT_DIR)/dart2js.bat',
           ],
           'outputs': [
-            '<(PRODUCT_DIR)/dart-sdk/create.stamp',
+            '<(PRODUCT_DIR)/dart-sdk/README',
           ],
           'action': [
             'python',
             'tools/create_sdk.py',
             '<(PRODUCT_DIR)/dart-sdk',
           ],
           'message': 'Creating SDK.',
           'conditions' : [
             ['(OS=="linux" or OS=="mac") ', {
               'inputs' : [
@@ skipping 16 matching lines @@
       # editor needs to build the SDK without uploading it.
       'target_name': 'upload_sdk',
       'type': 'none',
       'dependencies': [
         'create_sdk',
       ],
       'actions': [
         {
           'action_name': 'upload_sdk_py',
           'inputs': [
-            '<(PRODUCT_DIR)/dart-sdk/create.stamp',
+            '<(PRODUCT_DIR)/dart-sdk/README',
             'tools/upload_sdk.py',
           ],
           'outputs': [
             '<(PRODUCT_DIR)/dart-sdk/upload.stamp',
           ],
           'action': [
             'python',
             'tools/upload_sdk.py',
             '<(PRODUCT_DIR)/dart-sdk'
           ],
@@ skipping 16 matching lines @@
     },
     {
       'target_name': 'samples',
       'type': 'none',
       'dependencies': [
         'samples/sample_extension/sample_extension.gyp:sample_extension',
       ],
     },
   ],
 }