Bug 169566 Chart Marker Line is above the Series Line
If I'm adding a marker line in a Chart this line is above the Series lines. The series line should above the marker line
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderer.java
ScriptHandler.BEFORE_DRAW_FITTING_CURVE,
					curve,
					getRunTimeContext( ).getScriptContext( ) );
			getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_FITTING_CURVE,
					curve );
			
			double[] xArray = new double[points.length];
			double[] yArray = new double[points.length];
			for ( int i = 0; i < xArray.length; i++ )
			{
				xArray[i] = points[i].getX( );
				yArray[i] = points[i].getY( );
			}
			sort( xArray, yArray, !isTransposed );
			double[] baseArray = xArray, orthogonalArray = yArray;
			if ( isTransposed )
			{
				baseArray = yArray;
				orthogonalArray = xArray;
			}
			FittingCalculator fc = new FittingCalculator( baseArray,
					orthogonalArray,
					0.33 );
			double[] fitYarray = fc.getFittedValue( );
			orthogonalArray = fitYarray;
			if ( isTransposed )
			{
				baseArray = fitYarray;
				orthogonalArray = yArray;
				sort( baseArray, orthogonalArray, false );