The club are celebrating ‘a great transfer window’, but Joe Hart, Javier Hernández and Marko Arnautovic may turn out to be sticking plasters in lieu of a real plan West Ham United are feeling very pleased with themselves at the moment. Relieved, too. After making a spectacular show of themselves in the transfer market last summer, when they started out with hopes of luring Alexandre Lacazette to east London and ended up convincing themselves that Simone Zaza …