Update project authors statements to Dartino

samples/todomvc/ios/TodoMVC/TodoItem.mm

-// 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.
 
 #import "TodoItem.h"
 
 @implementation TodoItem
 
 - (void)dispatchDeleteEvent {
   TodoMVCPresenter::dispatch(self.deleteEvent);
 }
 
 - (void)dispatchCompleteEvent {
   TodoMVCPresenter::dispatch(self.completeEvent);
 }
 
 - (void)dispatchUncompleteEvent {
   TodoMVCPresenter::dispatch(self.uncompleteEvent);
 }
 
 @end