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 meta object literal for the '<em><b>Title Position</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute PIE_SERIES__TITLE_POSITION = eINSTANCE.getPieSeries_TitlePosition( );
		/**
		 * The meta object literal for the '<em><b>Leader Line Attributes</b></em>' containment reference feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference PIE_SERIES__LEADER_LINE_ATTRIBUTES = eINSTANCE.getPieSeries_LeaderLineAttributes( );
		/**
		 * The meta object literal for the '<em><b>Leader Line Style</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute PIE_SERIES__LEADER_LINE_STYLE = eINSTANCE.getPieSeries_LeaderLineStyle( );
		/**
		 * The meta object literal for the '<em><b>Leader Line Length</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute PIE_SERIES__LEADER_LINE_LENGTH = eINSTANCE.getPieSeries_LeaderLineLength( );
		/**
		 * The meta object literal for the '<em><b>Slice Outline</b></em>' containment reference feature.
		 * <!-- begin-user-doc -->