Singer-songwriter Clint Buffington didn’t write Jim Croce’s 1973 hit “Time in a Bottle.” He wasn’t even born yet. But it could easily be the Indiana musician’s anthem. Buffington, you see, is also an authority on messages in bottles – the kind written by castaways on desert islands or couples on cruise ships – and tossed into the sea, in hopes of someday being washed up on a distant beach and discovered. Avid “bottle hunter” Buffington has found more than 90 messages in bottl