Update charted to 0.4.8 and roll

packages/intl/example/basic/messages_all.dart

-// 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.
-
-/**
- * This imports all of the different message libraries and provides an
- * [initializeMessages] function that sets up the lookup for a particular
- * library.
- */
-library messages_all;
-
-import 'dart:async';
-import 'package:intl/message_lookup_by_library.dart';
-import 'package:intl/src/intl_helpers.dart';
-import 'messages_th_th.dart' as th_TH;
-import 'messages_de.dart' as de;
-import 'package:intl/intl.dart';
-
-// TODO(alanknight): Use lazy loading of the requested library.
-MessageLookupByLibrary _findExact(localeName) {
-  switch (localeName) {
-    case 'th_TH':
-      return th_TH.messages;
-    case 'de':
-      return de.messages;
-    default:
-      return null;
-  }
-}
-
-initializeMessages(localeName) {
-  initializeInternalMessageLookup(() => new CompositeMessageLookup());
-  messageLookup.addLocale(localeName, _findGeneratedMessagesFor);
-  return new Future.value();
-}
-
-MessageLookupByLibrary _findGeneratedMessagesFor(locale) {
-  var actualLocale = Intl.verifiedLocale(locale, (x) => _findExact(x) != null,
-      onFailure: (_) => null);
-  if (actualLocale == null) return null;
-  return _findExact(actualLocale);
-}