Roll Observatory packages and add a roll script

smoke/lib/src/implementation.dart

Index: smoke/lib/src/implementation.dart
diff --git a/smoke/lib/src/implementation.dart b/smoke/lib/src/implementation.dart
deleted file mode 100644
index 51d8b9c3ca2af5a9462ff97d95cd30303f464edc..0000000000000000000000000000000000000000
--- a/smoke/lib/src/implementation.dart
+++ /dev/null
@@ -1,34 +0,0 @@
-// Copyright (c) 2014, 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 library that is used to select the default implementation of smoke. During
-/// development we use a default mirror-based implementation, for deployment we
-/// let the main program set programatically what implementation to use (likely
-/// one based on static code generation).
-library smoke.src.implementation;
-
-// IMPORTANT NOTE: This file is edited by a transformer in this package
-// (default_transformer.dart), so any edits here should be coordinated with
-// changes there.
-
-import 'package:smoke/mirrors.dart';
-import 'package:smoke/smoke.dart';
-
-/// Implementation of [ObjectAccessorService] in use, initialized lazily so it
-/// can be replaced at deployment time with an efficient alternative.
-ObjectAccessorService objectAccessor = new ReflectiveObjectAccessorService();
-
-/// Implementation of [TypeInspectorService] in use, initialized lazily so it
-/// can be replaced at deployment time with an efficient alternative.
-TypeInspectorService typeInspector = new ReflectiveTypeInspectorService();
-
-/// Implementation of [SymbolConverterService] in use, initialized lazily so it
-/// can be replaced at deployment time with an efficient alternative.
-SymbolConverterService symbolConverter = new ReflectiveSymbolConverterService();
-
-throwNotConfiguredError() {
-  throw new Exception('The "smoke" library has not been configured. '
-      'Make sure you import and configure one of the implementations ('
-      'package:smoke/mirrors.dart or package:smoke/static.dart).');
-}