Update project authors statements to Dartino

tests/fletch_tests/fletch_test_suite.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.
 
 /// Helper program for running unit tests in warmed-up Dart VMs.
 ///
 /// This program listens for JSON encoded messages on stdin (one message per
 /// line) and prints out messages in response (also in JSON, one per line).
 ///
 /// Messages are defined in 'message.dart'.
 library fletch_tests.fletch_test_suite;
@@ skipping 295 matching lines @@
   PortSink(this.port);
 
   void add(Message message) {
     port.send(message);
   }
 
   void close() {
     throw "not supported";
   }
 }