Change intl to use new pub layout

pkg/intl/date_symbol_data_file.dart

Index: pkg/intl/date_symbol_data_file.dart
===================================================================
--- pkg/intl/date_symbol_data_file.dart	(revision 12515)
+++ pkg/intl/date_symbol_data_file.dart	(working copy)
@@ -1,44 +0,0 @@
-// 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 file should be imported, along with date_format.dart in order to read
- * locale data from files in the file system.
- */
-
-#library('date_symbol_data_json');
-
-#import("date_symbols.dart");
-#import("lib/lazy_locale_data.dart");
-#import('lib/date_format_internal.dart');
-#import('lib/file_data_reader.dart');
-#import('dart:io');
-
-#source("data/dates/localeList.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 [path].
- * The [path] parameter should end with a directory separator appropriate
- * for the platform.
- */
-Future initializeDateFormatting(String locale, String path) {
-  var reader = new FileDataReader('${path}symbols${Platform.pathSeparator}');
-  initializeDateSymbols(() => new LazyLocaleData(
-      reader, _createDateSymbol, availableLocalesForDateFormatting));
-  var reader2 = new FileDataReader('${path}patterns${Platform.pathSeparator}');
-  initializeDatePatterns(() => new LazyLocaleData(
-      reader2, (x) => x, availableLocalesForDateFormatting));
-  return initializeIndividualLocaleDateFormatting(
-      (symbols, patterns) {
-        return Futures.wait([
-            symbols.initLocale(locale),
-            patterns.initLocale(locale)]);
-      });
-}
-
-/** Defines how new date symbol entries are created. */
-DateSymbols _createDateSymbol(Map map) {
-  return new DateSymbols.deserializeFromMap(map);
-}