*SPOILERS* So…he’s back – and he’s not hiding from his enemies. If anything, he’s doing the exact opposite and trying to provoke them: cavorting around the universe like his own private playground, having a blast and taking on his fiercest foes with a brash confidence and an almost complete absence of f**ks to give. I am, of course, talking about Steven Moffat, who brings us his fifth season…