The $11 million nightclub has everything — the latest technology, a DJ every night, young stars who stop by for meet and greets, specialty drinks, a cafe. Like the latest megaships, gargantuan Atlantis on Paradise Island, just 180 miles from Florida, with nearly 3,500 rooms and 8,000 employees — the largest employer in the Bahamas besides the government — wants to be all things to all vacationers, including those not old enough to vote