Update charted to 0.4.8 and roll

packages/intl/test/date_time_format_http_request_test.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// or details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-/**
- * Test date formatting and parsing using locale data read via an http request
- * to a server.
- */
-
-library date_time_format_http_request_test;
-
-import 'dart:html';
-import 'package:unittest/html_config.dart';
-import 'package:unittest/unittest.dart';
-import 'package:intl/date_symbol_data_http_request.dart';
-import 'date_time_format_test_stub.dart';
-
-main() {
-  useHtmlConfiguration();
-  var url = "http://localhost:${window.location.port}"
-      "/packages/intl/src/data/dates/";
-
-  test("Initializing a locale that needs fallback", () {
-    initializeDateFormatting("de_DE", url).then(expectAsync((_) => true));
-  });
-
-  runWith(smallSetOfLocales, url, initializeDateFormatting);
-}