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
* @return the meta object for the attribute '<em>Type</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.AxisOrigin#getType()
	 * @see #getAxisOrigin()
	 * @generated
	 */
	EAttribute getAxisOrigin_Type( );
	/**
	 * Returns the meta object for the containment reference '{@link org.eclipse.birt.chart.model.attribute.AxisOrigin#getValue <em>Value</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the containment reference '<em>Value</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.AxisOrigin#getValue()
	 * @see #getAxisOrigin()
	 * @generated
	 */
	EReference getAxisOrigin_Value( );
	/**
	 * Returns the meta object for class '{@link org.eclipse.birt.chart.model.attribute.Bounds <em>Bounds</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for class '<em>Bounds</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.Bounds
	 * @generated
	 */
	EClass getBounds( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.attribute.Bounds#getLeft <em>Left</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Left</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.Bounds#getLeft()
	 * @see #getBounds()
	 * @generated