Mark David About 15 months ago, veteran television titan John Wells, creator of the hit HBO series “Shameless,” just one among many notable shows for which he’s hovered up six Emmys (and 19 more nominations), shelled out a small amount more than $7 million for a stately English Tudor residence in L.A.’s wealthy Hancock Park neighborhood that, after some quick gussy-ups, he’s flipped back on the market at $10.25 million.Designed by L.G.