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
initEAttribute( getBarSeries_Riser( ),
				theAttributePackage.getRiserType( ),
				"riser", "Rectangle", 0, 1, BarSeries.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, !IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEReference( getBarSeries_RiserOutline( ),
				theAttributePackage.getColorDefinition( ),
				null,
				"riserOutline", null, 0, 1, BarSeries.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEClass( dialSeriesEClass,
				DialSeries.class,
				"DialSeries", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS ); 
		initEReference( getDialSeries_Dial( ),
				theComponentPackage.getDial( ),
				null,
				"dial", null, 1, 1, DialSeries.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEReference( getDialSeries_Needle( ),
				theComponentPackage.getNeedle( ),
				null,
				"needle", null, 1, 1, DialSeries.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEClass( lineSeriesEClass,
				LineSeries.class,
				"LineSeries", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS ); 
		initEReference( getLineSeries_Marker( ),
				theAttributePackage.getMarker( ),
				null,
				"marker", null, 0, 1, LineSeries.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEReference( getLineSeries_LineAttributes( ),
				theAttributePackage.getLineAttributes( ),
				null,
				"lineAttributes", null, 0, 1, LineSeries.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEAttribute( getLineSeries_PaletteLineColor( ),