100 years ago TODAY, the man who made tripping over an ottoman look like a dance routine was born. Of course, I’m talking about Dick Van Dyke! The longtime star of “The Dick Van Dyke Show” turned living-room slapstick into an art form, then danced his way through movie musicals like “Mary Poppins,” “Bye Bye Birdie,” and “Chitty Chitty Bang Bang” before solving cozy TV crimes on “Diagnosis: Murder” for a new generation. Over more than seven decades he has picked up a shelf of honors, including Em