Fix updater. It was looking for the wrong files.

examples/fitness/flutter.yaml

 name: fitness
 version: 0.0.1
-update-url: http://localhost:9888/examples/fitness/
+update-url: http://localhost:9888/
 material-design-icons:
   - name: action/assessment
   - name: action/help

examples/stocks/flutter.yaml

 name: stocks
 version: 0.0.2
-update-url: http://localhost:9888/examples/stocks/
+update-url: http://localhost:9888/
 material-design-icons:
   - name: action/account_balance
   - name: action/assessment

packages/updater/lib/main.dart

@@ -18,8 +18,8 @@ import 'package:yaml/yaml.dart' as yaml;
 import 'pipe_to_file.dart';
 import 'version.dart';
 
-const String kManifestFile = 'sky.yaml';
-const String kBundleFile = 'flutter.flx';
+const String kManifestFile = 'flutter.yaml';
+const String kBundleFile = 'app.flx';
 
 UpdateServiceProxy _initUpdateService() {
   UpdateServiceProxy updateService = new UpdateServiceProxy.unbound();