Dani Edgar, collections manager at Manchester’s Southern Vermont Arts Center, hangs a William Dean Fausett painting that’s part of “For the Love of Vermont: The Lyman Orton Collection.” Photo by Kevin O’Connor/VTDigger MANCHESTER — Lyman Orton arrived at a local auction six decades ago in hopes of furnishing his first house, only to spy a seemingly simple yet thought-provoking framed landscape. “The whole idea that artists fell in love with the …