For Florida's affluent residents, luxury increasingly means having the amenities of a five-star hotel without ever checking out. MIAMI — For generations, the ultimate symbol of Florida wealth was easy to recognize: a sprawling waterfront mansion, swimming pool, manicured lawn and perhaps a yacht tied to the dock. But a different definition of luxury is emerging. Across Miami, Palm Beach, Naples and Tampa Bay, affluent buyers are increasingly being courted by high-end condomin