The cantankerous comic has shunned the panel show route for stand-up adventures in Kiev and Kazakhstan. Next stop: John Michael McDonagh's black comedy CalvaryIt's lunchtime in overcast Dublin, which sounds like the perfect time to have a drink, but in the basement bar of a boutique hotel Dylan Moran is nursing a herbal tea. He looks good, which is to say he looks like a slightly more rumpled John Cusack. It's been 1…