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/impl/EngineTask.java
return true;
			}
			boolean visitParameterGroup( ParameterGroupHandle group,
					Object value )
			{
				return visitParametersInGroup( group, value );
			}
		}.visit( (ReportDesignHandle) runnable.getDesignHandle( ) );
	}
	public void close( )
	{
		executionContext.close( );
	}
	protected void loadDesign( )
	{
		ReportDesignHandle reportDesign = executionContext.getDesign( );
		
		Iterator iter = reportDesign.includeScriptsIterator( );
		while ( iter.hasNext( ) )
		{
			IncludeScriptHandle includeScript = (IncludeScriptHandle) iter
					.next( );
			String fileName = includeScript.getFileName( );
			executionContext.loadScript( fileName );
		}
		
		ReportScriptExecutor.handleInitialize( reportDesign, executionContext );
	}
	protected void prepareDesign( )
	{