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
* @returns the color definition in a string with the format: #RRGGBBAA:
	 *          RRGGBB are the color components in hexa in the range 00..FF AA
	 *          is the tranparency value in hexa in the range 00..FF ex: Solid
	 *          light gray : #777777
	 */
	protected String serializeToString( Color color )
	{
		String r = Integer.toHexString( color.getRed( ) );
		if ( color.getRed( ) <= 0xF )
			r = "0" + r; 
		String g = Integer.toHexString( color.getGreen( ) );
		if ( color.getGreen( ) <= 0xF )
			g = "0" + g; 
		String b = Integer.toHexString( color.getBlue( ) );
		if ( color.getBlue( ) <= 0xF )
			b = "0" + b; 
		String ret = "#" + r + g + b; 
		return ret;
	}
	protected String alphaToString( Color color )
	{
		double a = 1;
		if ( color.getAlpha( ) < 0xFF )
		{
			a = color.getAlpha( ) / 255.0;
		}
		return Double.toString( a );
	}
	/*
	 * (non-Javadoc)