Molly Abraham, Detroit News Restaurant Critic: For 25 years, the Mack Avenue Diner was an east side staple. Now, under new owners, it's been handsomely renovated and has an emphasis on fresh ingredients. It's still a diner, of course, with such diner staples as egg dishes, pancakes, waffles and more - served anytime - but it also offers appealing salads, sandwiches, pita wraps and dinner items,...