Update project authors statements to Dartino

pkg/fletchc/lib/input_handler.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.
 
 part of fletch.vm_session;
 
 const String BANNER = """
 Starting session. Type 'help' for a list of commands.
 """;
 
 const String HELP = """
@@ skipping 493 matching lines @@
       int choice = int.parse(line, onError: (_) => 0);
       if (choice > 0 && choice <= length) {
         return <int>[choice - 1];
       }
       writeStdoutLine("Invalid choice: $choice");
       writeStdoutLine("Please select a number between 1 and $length, " +
                       "'a' for all, or 'n' for none.");
     }
   }
 }