Update project authors statements to Dartino

tests/unsorted/messaging_program_gc_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.
 //
 // FletchOptions=-Xgc-on-delete
 
 import 'dart:async';
 import 'dart:fletch';
 
 import 'package:expect/expect.dart';
 
@@ skipping 25 matching lines @@
   replyPort.send(port);
   replyPort.send(constList);
   // Spin up a process that will die immediately to force a program GC.
   Process.spawnDetached(noop);
   Expect.equals(input.receive(), constList);
   for (int i = 0; i < 10; i++) {
     Process.spawnDetached(noop);
     replyPort.send(i);
   }
 }