Hallo Berlin Express: A weird name and a weirder awning, but sometimes good food comes in weird packages (consider Masala Munch.) This new 30-seat joint on 9th Avenue near 50th Street is the sister of the bigger German eatery Hallo Berlin. Eating in Translation stuck his beak in when they opened this week, and walked away full of schnitzel, spaetzle, soup, and cucumber salad. There are also German fish sandwiches, and a German "single soul......