ATLANTA (Reuters) - Soon to be without a house, Rory McIlroy again showed he feels completely at home in the PGA Tour's FedExCup playoffs as he stayed on track on Friday to secure the season-long title and the bonus of $10 million. The globe-trotting world number one, who is selling his $3.2 million mansion in Northern Ireland because he hardly ever stays there, carded a two-under-par 68 in the ...