Update project authors statements to Dartino

samples/simple_todo/simple_todo.idl

-// Copyright (c) 2015, the Fletch project authors. Please see the AUTHORS file
+// 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.
 
 service TodoService {
 
   void createItem(BoxString* title);
 
   // toggle the done flag for the item identified by 'id'
   void toggle(int32 id);
 
@@ skipping 10 matching lines @@
 
 struct BoxString {
   String s;
 }
 
 struct TodoItem {
   String title;
   bool done;
   int32 id; // id is unique to each item.
 }