Update project authors statements to Dartino

tools/testing/dart/fletch_session_command.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.
 
 /// Provides a [Command] interface for interacting with a Fletch driver session.
 ///
 /// Normally, this is used by test.dart, but is also has a [main] method that
 /// makes it possible to run a test outside test.dart.
 library test.fletch_session_command;
 
 import 'dart:async' show
@@ skipping 667 matching lines @@
   String script = arguments[1];
   arguments = arguments.skip(2).toList();
   Map<String, String> environmentOverrides = <String, String>{};
   FletchSessionCommand command = new FletchSessionCommand(
       executable, script, arguments, environmentOverrides,
       settingsFileName: settingsFileName);
   FletchTestCommandOutput output =
       await command.run(0, true, superVerbose: true);
   print("Test outcome: ${output.decodeExitCode()}");
 }