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/impl/AttributePackageImpl.java
"kind", "element", 
				"name", "Visible" 
		} );
		addAnnotation( lineDecoratorEEnum, source, new String[]{
				"name", "LineDecorator" 
		} );
		addAnnotation( lineDecoratorObjectEDataType, source, new String[]{
				"name", "LineDecorator:Object", 
				"baseType", "LineDecorator" 
		} );
		addAnnotation( lineStyleEEnum, source, new String[]{
				"name", "LineStyle" 
		} );
		addAnnotation( lineStyleObjectEDataType, source, new String[]{
				"name", "LineStyle:Object", 
				"baseType", "LineStyle" 
		} );
		addAnnotation( locationEClass, source, new String[]{
				"name", "Location", 
				"kind", "elementOnly" 
		} );
		addAnnotation( getLocation_X( ), source, new String[]{
				"kind", "element", 
				"name", "x" 
		} );
		addAnnotation( getLocation_Y( ), source, new String[]{
				"kind", "element", 
				"name", "y" 
		} );
		addAnnotation( location3DEClass, source, new String[]{