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
{
	/**
	 * The package name.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	String eNAME = "attribute"; 
	/**
	 * The package namespace URI.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	String eNS_URI = "http://www.birt.eclipse.org/ChartModelAttribute"; 
	/**
	 * The package namespace name.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	String eNS_PREFIX = "attribute"; 
	/**
	 * The singleton instance of the package.
	 * <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * @generated
	 */
	AttributePackage eINSTANCE = org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl.init( );
	/**
	 * The meta object id 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