Update project authors statements to Dartino

pkg/fletchc/lib/src/verbs/debug_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.debug_verb;
 
 import 'dart:core' hide
     StackTrace;
 
 import 'infrastructure.dart';
 
@@ skipping 691 matching lines @@
 
   if (argument != 'internal') {
     // TODO(ager, lukechurch): Fix error reporting.
     throwInternalError("Invalid argument to toggle. "
                        "Valid arguments: 'internal'.");
   }
   await session.toggleInternal();
 
   return 0;
 }