Bug 186926 Enhance methods name in IFont, a simple APi class in model
Two issues in IFont interface: 1. Bold is misspelled in setIsBold() method. 2. Setter method name for Boolean arguments is not good. I prefer setBold to setIsBold. There are four boolean-setter methods needing modification like that.
chart/org.eclipse.birt.chart.reportitem/src/org/eclipse/birt/chart/script/internal/ChartImpl.java
{
		return (String) eih.getProperty( "outputFormat" ); 
	}
	public ILabel getTitle( )
	{
		Label title = cm.getTitle( ).getLabel( );
		if ( title == null )
		{
			title = ChartComponentUtil.createEMFLabel( );
			cm.getTitle( ).setLabel( title );
		}
		return ChartComponentFactory.convertLabel( title );
	}
	public boolean isColorByCategory( )
	{
		return cm.getLegend( ).getItemType( ) == LegendItemType.CATEGORIES_LITERAL;
	}
	public void setColorByCategory( boolean byCategory )
	{
		cm.getLegend( ).setItemType( byCategory
				? LegendItemType.CATEGORIES_LITERAL
				: LegendItemType.SERIES_LITERAL );
	}
	public void setDescription( IText label )
	{
		cm.setDescription( ChartComponentFactory.convertIText( label ) );
	}
	public void setOutputType( String type )
	{
		try