Quentin Tarantino never met a camera or microphone he didn’t love, and in Luca Rea’s documentary “Django & Django,” they love him right back. The title is a bit of a misnomer – it’s not really about Sergio Corbucci’s 1966 spaghetti western “Django” nor Tarantino’s 2012 “Django Unchained” that paid reverent homage.