Update project authors statements to Dartino

pkg/fletchc/lib/src/hub/sentence_parser.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.hub.sentence_parser;
 
 import 'dart:convert' show
     JSON;
 
 import '../verbs/actions.dart' show
     Action,
@@ skipping 444 matching lines @@
       this.prepositions,
       this.targets,
       this.trailing,
       this.version,
       this.currentDirectory,
       this.programName,
       this.arguments);
 
   String toString() => "Sentence($verb, $prepositions, $targets)";
 }