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.Stretch
	 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getStretch()
	 * @generated
	 */
	int STRETCH = 63;
	/**
	 * The meta object id for the '{@link org.eclipse.birt.chart.model.attribute.StyledComponent <em>Styled Component</em>}' enum.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see org.eclipse.birt.chart.model.attribute.StyledComponent
	 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getStyledComponent()
	 * @generated
	 */
	int STYLED_COMPONENT = 64;
	/**
	 * The meta object id for the '{@link org.eclipse.birt.chart.model.attribute.TickStyle <em>Tick Style</em>}' enum.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see org.eclipse.birt.chart.model.attribute.TickStyle
	 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getTickStyle()
	 * @generated
	 */
	int TICK_STYLE = 65;
	/**
	 * The meta object id for the '{@link org.eclipse.birt.chart.model.attribute.TriggerCondition <em>Trigger Condition</em>}' enum.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see org.eclipse.birt.chart.model.attribute.TriggerCondition
	 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getTriggerCondition()
	 * @generated
	 */
	int TRIGGER_CONDITION = 66;
	/**