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/type/TypePackage.java
* The number of structural features of the '<em>Stock Series</em>' class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int STOCK_SERIES_FEATURE_COUNT = ComponentPackage.SERIES_FEATURE_COUNT + 4;
	/**
	 * Returns the meta object for class '{@link org.eclipse.birt.chart.model.type.AreaSeries <em>Area Series</em>}'.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @return the meta object for class '<em>Area Series</em>'.
	 * @see org.eclipse.birt.chart.model.type.AreaSeries
	 * @generated
	 */
	EClass getAreaSeries( );
	/**
	 * Returns the meta object for class '{@link org.eclipse.birt.chart.model.type.BarSeries <em>Bar Series</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for class '<em>Bar Series</em>'.
	 * @see org.eclipse.birt.chart.model.type.BarSeries
	 * @generated
	 */
	EClass getBarSeries( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.type.BarSeries#getRiser <em>Riser</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Riser</em>'.
	 * @see org.eclipse.birt.chart.model.type.BarSeries#getRiser()
	 * @see #getBarSeries()
	 * @generated