Update project authors statements to Dartino

tests/debugger/fibers_test.dart

-// 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.
 
 // FletchDebuggerCommands=b print,r,c,fibers,t internal,bt,fibers,t internal,bt,c,c,fibers,c
 
 import 'dart:fletch';
 
 run(marker) {
   for (int i = 0; i < 2; i++) {
     Fiber.yield();
     print('$marker ${i}');
   }
 }
 
 main() {
   Fiber.fork(() { run('a'); });
   Fiber.fork(() { run('b'); });
 }