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/AttributePackageImpl.java
* @generated
	 */
	private EEnum legendBehaviorTypeEEnum = null;
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	private EEnum legendItemTypeEEnum = null;
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	private EEnum lineDecoratorEEnum = null;
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	private EEnum lineStyleEEnum = null;
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	private EEnum markerTypeEEnum = null;
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	private EEnum orientationEEnum = null;
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->