Bug 117149 Add additional datapoint markers
I would like to propose adding additional datapoint markers. Attached is a set of markers I would like supported.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/util/LiteralHelper.java
* Comment for <code>verticalPositionSet</code>
	 */
	public static final NameSet verticalPositionSet = getVerticalPositionSet( );
	/**
	 * Comment for <code>inoutPositionSet</code>
	 */
	public static final NameSet inoutPositionSet = getInoutPositionSet( );
	/**
	 * Comment for <code>fullPositionSet</code>
	 */
	public static final NameSet fullPositionSet = getFullPositionSet( );
	/**
	 * Comment for <code>legendBehaviorTypeSet</code>
	 */
	public static final NameSet legendBehaviorTypeSet = getLegendBehaviorTypeSet( );
	private LiteralHelper( )
	{
		
	}
	/**
	 * @return
	 */
	private static NameSet getAxisTypeSet( )
	{
		String prefix = "AxisType."; 
		String suffix = ".displayName"; 
		return new NameSet( prefix, suffix, toStringNameArray( AxisType.VALUES ) );
	}
	/**
	 * @return