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
EReference LINE_SERIES__LINE_ATTRIBUTES = eINSTANCE.getLineSeries_LineAttributes( );
		/**
		 * The meta object literal for the '<em><b>Palette Line Color</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute LINE_SERIES__PALETTE_LINE_COLOR = eINSTANCE.getLineSeries_PaletteLineColor( );
		/**
		 * The meta object literal for the '<em><b>Curve</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute LINE_SERIES__CURVE = eINSTANCE.getLineSeries_Curve( );
		/**
		 * The meta object literal for the '<em><b>Shadow Color</b></em>' containment reference feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference LINE_SERIES__SHADOW_COLOR = eINSTANCE.getLineSeries_ShadowColor( );
		/**
		 * The meta object literal for the '<em><b>Connect Missing Value</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute LINE_SERIES__CONNECT_MISSING_VALUE = eINSTANCE.getLineSeries_ConnectMissingValue( );
		/**