   The Apache Software License, Version 1.1
  
   Copyright (c) 2002 The Apache Software Foundation.  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 following disclaimer in
      the documentation and/or other materials provided with the
      distribution.
  
   3. The end-user documentation included with the redistribution,
      if any, must include the following acknowledgment:
         "This product includes software developed by the
          Apache Software Foundation (http://www.apache.org/)."
      Alternately, this acknowledgment may appear in the software itself,
      if and wherever such third-party acknowledgments normally appear.
  
   4. The names "BSF", "Apache", and "Apache Software Foundation" must
      not be used to endorse or promote products derived from this
      software without prior written permission. For written
      permission, please contact apache@apache.org.
  
   5. Products derived from this software may not be called "Apache",
      nor may "Apache" appear in their name, without prior written
      permission of the Apache Software Foundation.
  
   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 APACHE SOFTWARE FOUNDATION OR
   ITS 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 Apache Software Foundation and was originally created by
 Sanjiva Weerawarana and others at International Business Machines
 Corporation. For more information on the Apache Software Foundation,
 please see <http://www.apache.org/>.