Apache Wicket
   Copyright 2006-2011 Apache Software Foundation

   This product includes software developed at
   The Apache Software Foundation (http://www.apache.org/).

   This product includes software from QOS.ch (http://slf4j.org) licensed under the X11 license
   Copyright (c) 2004-2008 QOS.ch
   
   Contains Diff library from Mavens JRCS, released under
   The Apache Software License, Version 1.1.
   (c) 1999-2003

   org.apache.wicket.markup.html.form.upload.MultiFileUploadField.js is taken from [1]
   and has the following notice:
      "Licence:
       Use this however/wherever you like, just don't blame me if it breaks
       anything.

       Credit:
       If you're nice, you'll leave this bit:

       Class by Stickman -- http://www.the-stickman.com
       with thanks to:
       [for Safari fixes]
          Luis Torrefranca -- http://www.law.pitt.edu
          and
          Shawn Parker & John Pennypacker -- http://www.fuzzycoconut.com
       [for duplicate name bug]
          'neal'"
   [1]: http://the-stickman.com/web-development/javascript/upload-multiple-files-with-a-single-file-element/