Update deploy and deploy_sdk for the new package: world.

Before this change Sky would hit 404s when trying to
load examples from domokit.github.io.

I also added a separate sky_home and updated the default
url to point to sky_home instead of home.

R=abarth@chromium.org

Review URL: https://codereview.chromium.org/1016143002

examples/input/input_app.dart

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import '../../framework/fn.dart';
-import '../../framework/components/input.dart';
+import 'package:sky/framework/fn.dart';
+import 'package:sky/framework/components/input.dart';
 
 class InputApp extends App {
   Node build() {

examples/widgets-fn/widgets_app.dart

@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import '../../framework/fn.dart';
-import '../../framework/components/button.dart';
-import '../../framework/components/popup_menu.dart';
+import 'package:sky/framework/fn.dart';
+import 'package:sky/framework/components/button.dart';
+import 'package:sky/framework/components/popup_menu.dart';
 
 class WidgetsApp extends App {
   static final Style _menuStyle = new Style('''