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
* The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.UnitsOfMeasurement <em>Units Of Measurement</em>}' enum.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.UnitsOfMeasurement
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getUnitsOfMeasurement()
		 * @generated
		 */
		EEnum UNITS_OF_MEASUREMENT = eINSTANCE.getUnitsOfMeasurement( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.VerticalAlignment <em>Vertical Alignment</em>}' enum.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.VerticalAlignment
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getVerticalAlignment()
		 * @generated
		 */
		EEnum VERTICAL_ALIGNMENT = eINSTANCE.getVerticalAlignment( );
		/**
		 * The meta object literal for the '<em>Action Type Object</em>' data type.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.ActionType
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getActionTypeObject()
		 * @generated
		 */
		EDataType ACTION_TYPE_OBJECT = eINSTANCE.getActionTypeObject( );
		/**
		 * The meta object literal for the '<em>Anchor Object</em>' data type.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->