For four decades, the face of Stanley’s Tavern has been a Steve, not a Stanley. Steve Torpey went from managing the Brandywine Hundred landmark to owning it. But in July, Torpey turned over the keys to Newark-based Ashby Hospitality Group. “They took over the restaurant with my complete staff, all our systems, all our vendors—everything,” says Torpey, who is officially retired. Marc Ashby, …