Just a little cardboard, paint and some imagination can turn a Piggly Wiggly shopping cart into Smaug the Dragon. A summer theater camp at the Arts Center of Coastal Carolina put together a production of “The Hobbit” in a week and on a budget the cost of a Happy Meal. The script was written by camp organizer Bruce Connelly, an actor in the arts center production of “Buddy: The Buddy Holly Story” and best known as Barkley the Dog on “Sesame Street.” But other than that, the two dozen students started from scratch, working six-hour days last week. Theater campers stage a production of ‘The Hobbit’ in a hurry