Vapiano: Hopefully Better than the Name Sounds DCist swung by the opening dinner last night at Vapiano, now open at 1800 M Street NW. It’s a European-based pizza, pasta, and salad bar that claims to be leading a new trend in the restaurant industry deemed “Fresh Casual” (which was strange, given the greeters at the dinner were dressed to the nines). What does that mean? Vapiano explains it as “somewhere between the nicest of fast…