/* ====================================================================
 * The Spines Open-Source License, Version 1.0
 *
 * January 17, 2003
 * 
 * Copyright (c) 2003 The Johns Hopkins University.
 * 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 at The Center for
 *        Networking and Distributed Systems at the Johns Hopkins 
 *        University for use in the Spines project (http://www.spines.org). 
 *        This product also uses software developed by Spread Concepts LLC 
 *        for use in the Spread toolkit. For more information about Spread 
 *        see http://www.spread.org".
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Spines" and "Johns Hopkins University" must not be used 
 *    to endorse or promote products derived from this software without 
 *    prior written permission. For written permission, please 
 *    contact spines@spines.org.
 *
 * 5. Products derived from this software may not be called "Spines",
 *    nor may "Spines" appear in their name, without prior written
 *    permission. For written permission, please contact spines@spines.org.
 *
 * 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 JOHNS HOPKINS UNIVERSITY OR
 * SPINES DEVELOPERS OR ANY OTHER 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.
 * ====================================================================
 *
 * Spines was partially funded by a grant from the Defense 
 * Advance Research Projects Agency (DARPA) to Johns Hopkins University. 
 * The U.S. Government retains certain rights in this software.
 */