Roll Observatory packages and add a roll script

charted/lib/locale/locale.dart

Index: charted/lib/locale/locale.dart
diff --git a/charted/lib/locale/locale.dart b/charted/lib/locale/locale.dart
deleted file mode 100644
index 163e8b3c21d794675903854ed3a91394456743c1..0000000000000000000000000000000000000000
--- a/charted/lib/locale/locale.dart
+++ /dev/null
@@ -1,38 +0,0 @@
-//
-// Copyright 2014 Google Inc. All rights reserved.
-//
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file or at
-// https://developers.google.com/open-source/licenses/bsd
-//
-
-library charted.locale;
-
-import 'package:charted/locale/format.dart';
-
-part 'languages/en_us.dart';
-
-abstract class Locale {
-  String get identifier;
-  String get decimal;
-  String get thousands;
-  List get grouping;
-  List get currency;
-
-  String get dateTime;
-  String get date;
-  String get time;
-  List get periods;
-
-  List get days;
-  List get shortDays;
-
-  List get months;
-  List get shortMonths;
-
-  Locale();
-
-  NumberFormat get numberFormat => new NumberFormat(this);
-  TimeFormat timeFormat([specifier = null]) =>
-      new TimeFormat(specifier, this.identifier);
-}