What an indulgence it must be to be able to gather your gripes together and air them on a grand scale via music, imagery and the written word. Morrissey’s grievances are legion, his ire legendary, and the usual Morrissey-isms are cheerfully present and correct on his latest album World Peace Is None of Your Business. The rich get richer and the poor get poorer; four legs good, two legs bad; an unparalleled sense of self-righteousness – all of these things, already none too subtle on record, are bundled together for tonight’s Dublin crowd into an audio-visual feast of disdain. He…