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
* Returns the factory that creates the instances of the model. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @return the factory that creates the instances of the model.
	 * @generated
	 */
	AttributeFactory getAttributeFactory( );
	/**
	 * <!-- begin-user-doc -->
	 * Defines literals for the meta objects that represent
	 * <ul>
	 *   <li>each class,</li>
	 *   <li>each feature of each class,</li>
	 *   <li>each enum,</li>
	 *   <li>and each data type</li>
	 * </ul>
	 * <!-- end-user-doc -->
	 * @generated
	 */
	interface Literals
	{
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.impl.ActionValueImpl <em>Action Value</em>}' class.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.impl.ActionValueImpl
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getActionValue()
		 * @generated
		 */
		EClass ACTION_VALUE = eINSTANCE.getActionValue( );