Rename all the things

sky/examples/rendering/justify_content.dart

 // Copyright 2015 The Chromium Authors. 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:sky';
 import 'dart:math' as math;
-import 'package:sky/framework/app.dart';
-import 'package:sky/framework/rendering/box.dart';
-import 'package:sky/framework/rendering/block.dart';
-import 'package:sky/framework/rendering/flex.dart';
-import 'package:sky/framework/rendering/object.dart';
-import 'package:sky/framework/rendering/paragraph.dart';
+import 'package:sky/app/view.dart';
+import 'package:sky/rendering/box.dart';
+import 'package:sky/rendering/block.dart';
+import 'package:sky/rendering/flex.dart';
+import 'package:sky/rendering/object.dart';
+import 'package:sky/rendering/paragraph.dart';
 import '../lib/solid_color_box.dart';
 
 AppView app;
 
 // Attempts to draw
 // http://www.w3.org/TR/2015/WD-css-flexbox-1-20150514/images/flex-pack.svg
 void main() {
   var table = new RenderFlex(direction: FlexDirection.vertical);
 
   void addRow(FlexJustifyContent justify) {
@@ skipping 14 matching lines @@
   addRow(FlexJustifyContent.spaceBetween);
   addRow(FlexJustifyContent.spaceAround);
 
   RenderDecoratedBox root = new RenderDecoratedBox(
     decoration: new BoxDecoration(backgroundColor: const Color(0xFFFFFFFF)),
     child: new RenderPadding(child: table, padding: new EdgeDims.symmetric(vertical: 50.0))
   );
 
   app = new AppView(root: root);
 }