Rename fletch -> dartino

samples/simple_todo/java/TodoController.java

 // Copyright (c) 2015, the Dartino 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.md file.
 
-import fletch.*;
+import dartino.*;
 
 class TodoController {
   static void InteractWithService() {
     TodoService.Setup();
 
     TodoView view = new TodoView();
     view.showMenu();
     boolean should_terminate = false;
     do {
       String input = view.getInput();
@@ skipping 29 matching lines @@
           break;
         default:
           view.showMenu();
           break;
       }
     } while (!should_terminate);
 
     TodoService.TearDown();
   }
 }