Update project authors statements to Dartino

tests/unsorted/spawn_process_yield_test.dart

-// Copyright (c) 2014, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2014, 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 'dart:async';
 import 'dart:fletch';
 
 import 'package:expect/expect.dart';
 
 main() {
   Channel channel = new Channel();
   Port port = new Port(channel);
   Process.spawnDetached(() => run(port));
   int id = channel.receive();
   Expect.equals(port.id, id);
 }
 
 run(Port port) {
   Expect.isTrue(port != null);
   new Timer(const Duration(milliseconds: 100), () {
     port.send(port.id);
   });
 }