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/type/TypePackage.java
/**
	 * Returns the meta object for the containment reference '{@link org.eclipse.birt.chart.model.type.DialSeries#getNeedle <em>Needle</em>}'.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @return the meta object for the containment reference '<em>Needle</em>'.
	 * @see org.eclipse.birt.chart.model.type.DialSeries#getNeedle()
	 * @see #getDialSeries()
	 * @generated
	 */
	EReference getDialSeries_Needle( );
	/**
	 * Returns the meta object for class '{@link org.eclipse.birt.chart.model.type.LineSeries <em>Line Series</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for class '<em>Line Series</em>'.
	 * @see org.eclipse.birt.chart.model.type.LineSeries
	 * @generated
	 */
	EClass getLineSeries( );
	/**
	 * Returns the meta object for the containment reference '{@link org.eclipse.birt.chart.model.type.LineSeries#getMarker <em>Marker</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the containment reference '<em>Marker</em>'.
	 * @see org.eclipse.birt.chart.model.type.LineSeries#getMarker()
	 * @see #getLineSeries()
	 * @generated
	 */
	EReference getLineSeries_Marker( );
	/**
	 * Returns the meta object for the containment reference '{@link org.eclipse.birt.chart.model.type.LineSeries#getLineAttributes <em>Line Attributes</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->