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/impl/TypePackageImpl.java
"kind", "element", 
				"name", "Riser" 
		} );
		addAnnotation( getBarSeries_RiserOutline( ), source, new String[]{
				"kind", "element", 
				"name", "RiserOutline" 
		} );
		addAnnotation( dialSeriesEClass, source, new String[]{
				"name", "DialSeries", 
				"kind", "elementOnly" 
		} );
		addAnnotation( getDialSeries_Dial( ), source, new String[]{
				"kind", "element", 
				"name", "Dial" 
		} );
		addAnnotation( getDialSeries_Needle( ), source, new String[]{
				"kind", "element", 
				"name", "Needle" 
		} );
		addAnnotation( lineSeriesEClass, source, new String[]{
				"name", "LineSeries", 
				"kind", "elementOnly" 
		} );
		addAnnotation( getLineSeries_Marker( ), source, new String[]{
				"kind", "element", 
				"name", "Marker" 
		} );
		addAnnotation( getLineSeries_LineAttributes( ), source, new String[]{
				"kind", "element", 
				"name", "LineAttributes"