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 #getTooltipValue()
	 * @generated
	 */
	EAttribute getTooltipValue_Text( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.attribute.TooltipValue#getDelay <em>Delay</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Delay</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.TooltipValue#getDelay()
	 * @see #getTooltipValue()
	 * @generated
	 */
	EAttribute getTooltipValue_Delay( );
	/**
	 * Returns the meta object for class '{@link org.eclipse.birt.chart.model.attribute.URLValue <em>URL Value</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for class '<em>URL Value</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.URLValue
	 * @generated
	 */
	EClass getURLValue( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.attribute.URLValue#getBaseUrl <em>Base Url</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Base Url</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.URLValue#getBaseUrl()
	 * @see #getURLValue()
	 * @generated
	 */
	EAttribute getURLValue_BaseUrl( );