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.ChartType"
	 *        extendedMetaData="name='ChartType:Object' baseType='ChartType'" 
	 * @generated
	 */
	EDataType getChartTypeObject( );
	/**
	 * Returns the meta object for data type '{@link org.eclipse.birt.chart.model.attribute.DataPointComponentType <em>Data Point Component Type Object</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for data type '<em>Data Point Component Type Object</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.DataPointComponentType
	 * @model instanceClass="org.eclipse.birt.chart.model.attribute.DataPointComponentType"
	 *        extendedMetaData="name='DataPointComponentType:Object' baseType='DataPointComponentType'" 
	 * @generated
	 */
	EDataType getDataPointComponentTypeObject( );
	/**
	 * Returns the meta object for data type '{@link org.eclipse.birt.chart.model.attribute.DataType <em>Data Type Object</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for data type '<em>Data Type Object</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.DataType
	 * @model instanceClass="org.eclipse.birt.chart.model.attribute.DataType"
	 *        extendedMetaData="name='DataType:Object' baseType='DataType'" 
	 * @generated
	 */
	EDataType getDataTypeObject( );
	/**
	 * Returns the meta object for data type '{@link org.eclipse.birt.chart.model.attribute.DateFormatDetail <em>Date Format Detail Object</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for data type '<em>Date Format Detail Object</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.DateFormatDetail