“Another Year” opens with the actress Imelda Staunton (“Vera Drake”) moaning glum monosyllables in a futile therapy session with a cheerful psychological counselor named Gerri. Staunton’s depressed character, who refuses to be cheered up, seems like the anti-Poppy, and we may think for a moment that the movie is going to be about her and present the flip side of “Happy-Go-Lucky.” And you can almost hear in your mind’s ear the missing but implied word in the title: “Another (Horrible) Year.” I think “Another Year” is about Tom and Gerri, a happily married couple. I must be one of those people who look at a ...