Incorrect license header in 3 files

        /*-- 

         $Id: NamespaceStack.java,v 1.13 2004/02/06 09:28:32 jhunter Exp $

         Copyright (C) 2000-2004 Jason Hunter & Brett McLaughlin.
         All rights reserved.
         
         Redistribution and use in source and binary forms, with or without
         modification, are permitted provided that the following conditions
         are met:
         
         1. Redistributions of source code must retain the above copyright
            notice, this list of conditions, and the following disclaimer.
         
         2. Redistributions in binary form must reproduce the above copyright
            notice, this list of conditions, and the disclaimer that follows 
            these conditions in the documentation and/or other materials 
            provided with the distribution.

         3. The name "JDOM" must not be used to endorse or promote products
            derived from this software without prior written permission.  For
            written permission, please contact <request_AT_jdom_DOT_org>.
         
         4. Products derived from this software may not be called "JDOM", nor
            may "JDOM" appear in their name, without prior written permission
            from the JDOM Project Management <request_AT_jdom_DOT_org>.
         
         In addition, we request (but do not require) that you include in the 
         end-user documentation provided with the redistribution and/or in the 
         software itself an acknowledgement equivalent to the following:
             "This product includes software developed by the
              JDOM Project (http://www.jdom.org/)."
         Alternatively, the acknowledgment may be graphical using the logos 
         available at http://www.jdom.org/images/logos.

         THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
         WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
         OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
         DISCLAIMED.  IN NO EVENT SHALL THE JDOM AUTHORS OR THE PROJECT
         CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
         SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
         LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
         USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
         ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
         OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
         OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
         SUCH DAMAGE.

         This software consists of voluntary contributions made by many 
         individuals on behalf of the JDOM Project and was originally 
         created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
         Brett McLaughlin <brett_AT_jdom_DOT_org>.  For more information
         on the JDOM Project, please see <http://www.jdom.org/>.
         
         */