Update project authors statements to Dartino

tests/power_management_tests/power_management_tests.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.
 
 import 'dart:async';
 
 import '../../pkg/power_management/test/disable_enable_test.dart'
     as disable_enable;
 
 typedef Future NoArgFuture();
 
 Future<Map<String, NoArgFuture>> listTests() async {
   var tests = <String, NoArgFuture>{};
   tests['power_management_tests/disable_enable'] = disable_enable.main;
   return tests;
 }