Bug 131835 Clean up FO related code
Now that FO is not part of BIRT, clean up all references to FO, including the FORenderOption, TailoredForFOP, etc.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/ReportRunner.java
IRenderOption options;
			if ( format.equalsIgnoreCase( "pdf" ) )
			{
				options = new FORenderOption( );
			}
			else if ( format.equalsIgnoreCase( "fo" ) )
			{
				options = new FORenderOption( );
			}
			else
			{
				options = new HTMLRenderOption( );
				if ( htmlType == "ReportletNoCSS" )
				{
					( (HTMLRenderOption) options ).setEmbeddable( true );
				}
			}
			
			options.setOutputFormat( format );
			
			options.getOutputSetting( ).put( HTMLRenderOption.URL_ENCODING,
					encoding );
			
			task.setRenderOption( options );
			
			if ( format.equalsIgnoreCase( "html" ) )
			{
				HTMLRenderContext renderContext = new HTMLRenderContext( );
				renderContext.setImageDirectory( "image" );