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.Anchor
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getAnchorObject()
		 * @generated
		 */
		EDataType ANCHOR_OBJECT = eINSTANCE.getAnchorObject( );
		/**
		 * The meta object literal for the '<em>Angle Type Object</em>' data type.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.AngleType
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getAngleTypeObject()
		 * @generated
		 */
		EDataType ANGLE_TYPE_OBJECT = eINSTANCE.getAngleTypeObject( );
		/**
		 * The meta object literal for the '<em>Axis Type Object</em>' data type.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.AxisType
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getAxisTypeObject()
		 * @generated
		 */
		EDataType AXIS_TYPE_OBJECT = eINSTANCE.getAxisTypeObject( );
		/**
		 * The meta object literal for the '<em>Chart Dimension Object</em>' data type.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.ChartDimension
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getChartDimensionObject()
		 * @generated