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
* Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.type.StockSeries#getStickLength <em>Stick Length</em>}'.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Stick Length</em>'.
	 * @see org.eclipse.birt.chart.model.type.StockSeries#getStickLength()
	 * @see #getStockSeries()
	 * @generated
	 */
	EAttribute getStockSeries_StickLength( );
	/**
	 * Returns the factory that creates the instances of the model. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @return the factory that creates the instances of the model.
	 * @generated
	 */
	TypeFactory getTypeFactory( );
	/**
	 * <!-- begin-user-doc -->
	 * Defines literals for the meta objects that represent
	 * <ul>
	 *   <li>each class,</li>
	 *   <li>each feature of each class,</li>
	 *   <li>each enum,</li>
	 *   <li>and each data type</li>
	 * </ul>
	 * <!-- end-user-doc -->
	 * @generated
	 */
	interface Literals