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.Orientation
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getOrientationObject()
		 * @generated
		 */
		EDataType ORIENTATION_OBJECT = eINSTANCE.getOrientationObject( );
		/**
		 * The meta object literal for the '<em>Percentage</em>' data type.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getPercentage()
		 * @generated
		 */
		EDataType PERCENTAGE = eINSTANCE.getPercentage( );
		/**
		 * The meta object literal for the '<em>Percentage Object</em>' data type.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see java.lang.Double
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getPercentageObject()
		 * @generated
		 */
		EDataType PERCENTAGE_OBJECT = eINSTANCE.getPercentageObject( );
		/**
		 * The meta object literal for the '<em>Position Object</em>' data type.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.Position
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getPositionObject()
		 * @generated
		 */