Copyright (c) 2004 - 2009 Eike Stepper (Berlin, Germany) and others.
All rights reserved. This program and the accompanying materials
are made available under the terms of the Eclipse Public License v1.0
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/epl-v10.html

Contributors:
   Vctor Roldan Betancort - initial API and implementation 
   Eike Stepper            - maintenance