Update charted to 0.4.8 and roll

packages/intl/lib/date_symbol_data_http_request.dart

Index: packages/intl/lib/date_symbol_data_http_request.dart
diff --git a/packages/intl/lib/date_symbol_data_http_request.dart b/packages/intl/lib/date_symbol_data_http_request.dart
index 5e206f634d6f4a1d161c03af6fb01fc77014b53c..fd4f625c0fa485e53601f72e0c65a300e92298c7 100644
--- a/packages/intl/lib/date_symbol_data_http_request.dart
+++ b/packages/intl/lib/date_symbol_data_http_request.dart
@@ -2,10 +2,8 @@
 // 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 file should be imported, along with date_format.dart in order to read
- * locale data via http requests to a web server..
- */
+/// This file should be imported, along with date_format.dart in order to read
+/// locale data via http requests to a web server..
 library date_symbol_data_http_request;
 
 import 'dart:async';
@@ -19,12 +17,10 @@ import 'src/lazy_locale_data.dart';
 
 export 'src/data/dates/locale_list.dart';
 
-/**
- * This should be called for at least one [locale] before any date formatting
- * methods are called. It sets up the lookup for date symbols using [url].
- * The [url] parameter should end with a "/". For example,
- *   "http://localhost:8000/dates/"
- */
+/// This should be called for at least one [locale] before any date formatting
+/// methods are called. It sets up the lookup for date symbols using [url].
+/// The [url] parameter should end with a "/". For example,
+///   "http://localhost:8000/dates/"
 Future initializeDateFormatting(String locale, String url) {
   var reader = new HttpRequestDataReader('${url}symbols/');
   initializeDateSymbols(() => new LazyLocaleData(
@@ -35,11 +31,13 @@ Future initializeDateFormatting(String locale, String url) {
   var actualLocale = Intl.verifiedLocale(
       locale, (l) => availableLocalesForDateFormatting.contains(l));
   return initializeIndividualLocaleDateFormatting((symbols, patterns) {
-    return Future.wait(
-        [symbols.initLocale(actualLocale), patterns.initLocale(actualLocale)]);
+    return Future.wait(<Future>[
+      symbols.initLocale(actualLocale),
+      patterns.initLocale(actualLocale)
+    ]);
   });
 }
 
-/** Defines how new date symbol entries are created. */
+/// Defines how new date symbol entries are created.
 DateSymbols _createDateSymbol(Map map) =>
     new DateSymbols.deserializeFromMap(map);