Merge libv1.

samples/calculator/calculator.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.
 
-#import('dart:html');
-#import('dart:math', prefix: 'Math');
-#source('tape.dart');
-#source('settings.dart');
-#source('calcui.dart');
+import 'dart:html';
+import 'dart:math' as Math;
+part 'tape.dart';
+part 'settings.dart';
+part 'calcui.dart';
 
 var padUI;          // Calculator Pad UI.
 
 TapeUI tapeUI;      // Tape output area UI.
 Tape tape;          // Controller.
 
 Settings mySettings;
 
 String currentRegister;
 int currentOperator;
@@ skipping 355 matching lines @@
   renderPad(element);
 
   // Render the UI.
   document.body.elements.add(element);
 
   currentRegister = "";
   total = 0.0;
 
   setupEvents();
 }