For lovers of old movies, “A Matter of Life and Death” -- a romantic fantasy centered around a British airman during World War II -- comes straight out of the Golden Era of Hollywood but with themes that resonate today. Think “Inception” meets “Masters of the Air,” and that’s what you’re likely to find in this 1946 gem that ranked No. 20 among the BBC’s top 100 British films of the 20th century. Starring British army veteran David Niven (“The Pink Panther”), “A Matter of Life and Death”