Bug 132630 Additional markers can not support interactivity
Additional markers can not support interactivity Steps: 1.Create a line chart 2.Set Y series marker to additional marker such as star or ellipse 3.Add a interactivity such as showTooltip to Y series 4.Preview in web viewer Actual results: 1.Additional markers can not support interactivity Expected Results: 1.Additional markers can nsupport interactivity
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGRendererImpl.java
Element group = svggc.dom.createElement( "g" ); 
			group.setAttribute( "id", "title" ); 
			svggc.pushParent( group );
		}
		else if ( block instanceof Legend )
		{
			Element group = svggc.dom.createElement( "g" ); 
			group.setAttribute( "id", "legend" ); 
			svggc.pushParent( group );
		}
		else if ( block instanceof Plot )
		{
			Element group = svggc.dom.createElement( "g" ); 
			group.setAttribute( "id", "plot" ); 
			svggc.pushParent( group );
		}
		else if ( block instanceof LabelBlock )
		{
			Element group = svggc.dom.createElement( "g" ); 
			group.setAttribute( "id", "label" ); 
			svggc.pushParent( group );
		}
		else if ( block instanceof Series )
		{
			Element group = svggc.dom.createElement( "g" ); 
			group.setAttribute( "id", "series" ); 
			svggc.pushParent( group );
		}
		else if ( block instanceof DataPointHints )
		{