Rugby World Cup organisers play down Olympic Stadium fears after teething trouble

• Sprinklers came on during Samoa v Barbarians match at Olympic Stadium• Fans also complained about lack of wifi, beer and view from high seatsWorld Cup organisers say they are confident that London’s Olympic Stadium will be ready to host the first of five games in the tournament when France meet Romania on 23 September.Saturday’s high-profile match between Samoa, a key threat to Scotland’s chances of progress in Pool B, and the Barbarians was the first rugby union match at the stadium that will be West Ham’s new home next season. But the Barbarians’ 27-24 win, watched by 41,039 spectators, hi…