Update project authors statements to Dartino

pkg/fletch_agent/bin/agent.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.
 
 library fletch_agent.agent;
 
 import 'dart:convert' show UTF8;
 import 'dart:fletch';
 import 'dart:fletch.ffi';
 import 'dart:fletch.os' as os;
 import 'dart:typed_data';
@@ skipping 441 matching lines @@
   print('The Fletch agent supports the following flags');
   print('');
   print('  --port: specify the port on which to listen, default: '
       '$AGENT_DEFAULT_PORT');
   print('  --ip: specify the ip address on which to listen, default: 0.0.0.0');
   print('  --vm: specify the path to the vm binary, default: '
       '/opt/fletch/bin/fletch-vm.');
   print('');
   Process.exit();
 }