 Copyright (c) 2011 Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Germany.
 All rights reserved. This program and the accompanying materials
 are made available under the terms of the GNU Lesser Public License v2.1
 which accompanies this distribution, and is available at
 http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 
 Contributors:
     Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Germany - initial API and implementation