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
* @model instanceClass="org.eclipse.birt.chart.model.attribute.DateFormatDetail"
	 *        extendedMetaData="name='DateFormatDetail:Object' baseType='DateFormatDetail'" 
	 * @generated
	 */
	EDataType getDateFormatDetailObject( );
	/**
	 * Returns the meta object for data type '{@link org.eclipse.birt.chart.model.attribute.DateFormatType <em>Date Format Type Object</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for data type '<em>Date Format Type Object</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.DateFormatType
	 * @model instanceClass="org.eclipse.birt.chart.model.attribute.DateFormatType"
	 *        extendedMetaData="name='DateFormatType:Object' baseType='DateFormatType'" 
	 * @generated
	 */
	EDataType getDateFormatTypeObject( );
	/**
	 * Returns the meta object for data type '{@link org.eclipse.birt.chart.model.attribute.Direction <em>Direction Object</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for data type '<em>Direction Object</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.Direction
	 * @model instanceClass="org.eclipse.birt.chart.model.attribute.Direction"
	 *        extendedMetaData="name='Direction:Object' baseType='Direction'" 
	 * @generated
	 */
	EDataType getDirectionObject( );
	/**
	 * Returns the meta object for data type '{@link org.eclipse.birt.chart.model.attribute.GroupingUnitType <em>Grouping Unit Type Object</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for data type '<em>Grouping Unit Type Object</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.GroupingUnitType