Update project authors statements to Dartino

pkg/fletchc/lib/src/verbs/export_verb.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 fletchc.verbs.export_verb;
 
 import 'infrastructure.dart';
 
 import 'documentation.dart' show
     exportDocumentation;
 
@@ skipping 42 matching lines @@
     Uri base) async {
   return compileAndAttachToVmThen(
       commandSender,
       commandIterator,
       state,
       script,
       base,
       true,
       () => developer.export(state, snapshot));
 }