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
*/
		EEnum DATA_TYPE = eINSTANCE.getDataType( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.DateFormatDetail <em>Date Format Detail</em>}' enum.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.DateFormatDetail
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getDateFormatDetail()
		 * @generated
		 */
		EEnum DATE_FORMAT_DETAIL = eINSTANCE.getDateFormatDetail( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.DateFormatType <em>Date Format Type</em>}' enum.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.DateFormatType
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getDateFormatType()
		 * @generated
		 */
		EEnum DATE_FORMAT_TYPE = eINSTANCE.getDateFormatType( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.Direction <em>Direction</em>}' enum.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.Direction
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getDirection()
		 * @generated
		 */
		EEnum DIRECTION = eINSTANCE.getDirection( );
		/**