Sign up now! Sign up now! Sign up now? Sign up now! That a vote of confidence isn’t worth the paper it’s written on has long been a footballing cliche. But not until this day did we know that this even applies to a vote of confidence that comes from Jonjo Shelvey – a man so devoted to the righteously upstanding that he once accused Alex Ferguson of grassing, following a high tackle committed in front of 45,000 fans, a worldwide television audience of millions and in full view of the referee. Re…