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/model/attribute/impl/MarkerImpl.java
* @generated
	 */
	public int getSize( )
	{
		return size;
	}
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setSize( int newSize )
	{
		int oldSize = size;
		size = newSize;
		boolean oldSizeESet = sizeESet;
		sizeESet = true;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.SET,
					AttributePackage.MARKER__SIZE,
					oldSize,
					size,
					!oldSizeESet ) );
	}
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void unsetSize( )
	{