Update project authors statements to Dartino

tests/fletch_tests/message_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' show
     Completer,
     Future,
     Stream,
     StreamController,
     Zone;
 
@@ skipping 275 matching lines @@
   }
 
   void error(error, StackTrace stackTrace) {
     throw error;
   }
 
   get arguments => throw "not supported";
   set arguments(_) => throw "not supported";
   get notes => throw "not supported";
 }