Implement a basic IME-aware input element

sky/examples/editor/editor_app.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.
 
-module recipes;
+import '../../framework/fn.dart';
+import 'input.dart';
 
-struct Ingredient {
-  string url;
-};
-
-interface Recipe {
-  GetIngredients() => (array<Ingredient> ingredients);
-};
+class EditorApp extends App {
+  Node build() {
+    return new Input();
+  }
+}