Bug 132621 Series label font can not take effect.
Series label font can not take effect. Steps: 1.Create a line chart 2.Open chart builder, go to "Format Chart" tab, click "Y Series", click "Label" button, click "..." button beside font, set color to red and bold 3.Preview in layout, html Actaul Results: 1.Label font can not be changed Expected Results: 1.Label color is red and font is bold.
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGGraphics2D.java
return elem;
	}
	public void drawTooltip( String tooltip )
	{
		Element title = dom.createElement( "title" ); 
		title.appendChild( dom.createTextNode( tooltip ) );
		appendChild( title );
		currentParent.setAttribute( "onmouseout", "TM.remove()" ); 
		currentParent.setAttribute( "onmouseover", "TM.show(evt)" ); 
	}
	/**
	 * @return Returns the currentParent.
	 */
	public Element getCurrentParent( )
	{
		return currentParent;
	}
	public String getStyleClass() {
		return styleClass;
	}
	public void setStyleClass(String styleClass) {
		this.styleClass = styleClass;
	}
	
	public void addCSSStyle(String className, String styleName, String styleValue){
		styleBuffer.append(className).append("{").append(styleName).append(":").append(styleValue).append(";}");				 
	}
	
	/**
	 * Inlines the script code in the generated svg output