Music festivals and mixology: how cruises got cool

They have always been associated with the grey pound, but now cruise ships are trying to attract a millennial crowd. Will smaller boats, late-night stop-offs and better brunches tempt young people on board?aThink of cruise holidays and a whole host of images spring to mind. Endless buffets. Crushed velvet upholstery. Sex on the beach (the cocktail, obviously). His and hers dressing gowns. Jane McDonald. And, most of all, lots and lots of older people, from well-heeled fiftysomethings to time-ric