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/AttributePackage.java
* @see org.eclipse.birt.chart.model.attribute.LeaderLineStyle
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getLeaderLineStyle()
		 * @generated
		 */
		EEnum LEADER_LINE_STYLE = eINSTANCE.getLeaderLineStyle( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.LegendBehaviorType <em>Legend Behavior Type</em>}' enum.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.LegendBehaviorType
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getLegendBehaviorType()
		 * @generated
		 */
		EEnum LEGEND_BEHAVIOR_TYPE = eINSTANCE.getLegendBehaviorType( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.LegendItemType <em>Legend Item Type</em>}' enum.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.LegendItemType
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getLegendItemType()
		 * @generated
		 */
		EEnum LEGEND_ITEM_TYPE = eINSTANCE.getLegendItemType( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.LineDecorator <em>Line Decorator</em>}' enum.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.LineDecorator
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getLineDecorator()
		 * @generated