Save Yourself by Kelly Braffet Crown Publishing/Random House, $25.00, 310 pages ISBN 978-0-385-34734-1 There’s a saying my old Irish Grandmother repeated that goes like so: God made the countryside and man built the cities . . . but the devil made the small town. I’ve thought about that old saw over the years, and what I think she meant was this: in a small town everyone knows everyone else’s