code: private static final Gantt createGantt() {
  		final Gantt gantt = new Gantt();
  		gantt.setSizeFull();
  		gantt.setWidth(100, Unit.PERCENTAGE);
  		gantt.setHeight(100, Unit.PERCENTAGE);
  		gantt.setResizableSteps(false);
  		gantt.setMovableSteps(false);
  		gantt.setResolution(Resolution.Week);
  		return gantt;
  	}
docs: Creates the gantt.
  
  @return the gantt