Update project authors statements to Dartino

samples/github/bin/run_github_mock.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 'package:github_sample/src/github_mock.dart';
 import 'package:github_sample/src/github_mock_data.dart';
 
 main() {
   var mock = new GithubMock('127.0.0.1', 8321);
   mock.dataStorage = new ByteMapDataStorage();
   mock.verbose = true;
   mock.run();
 }