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 id for the '{@link org.eclipse.birt.chart.model.attribute.impl.DataPointImpl <em>Data Point</em>}' class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see org.eclipse.birt.chart.model.attribute.impl.DataPointImpl
	 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getDataPoint()
	 * @generated
	 */
	int DATA_POINT = 6;
	/**
	 * The feature id for the '<em><b>Components</b></em>' containment reference list.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int DATA_POINT__COMPONENTS = 0;
	/**
	 * The feature id for the '<em><b>Prefix</b></em>' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 * @ordered
	 */
	int DATA_POINT__PREFIX = 1;
	/**
	 * The feature id for the '<em><b>Suffix</b></em>' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 * @ordered
	 */
	int DATA_POINT__SUFFIX = 2;