It’s Friday, which means time for your weekend movie forecast: Head on over to the Travers Take, where our movie critic has the skinny on four of the biggest new films: “Rachel Getting Married,” “Nick and Nora’s Infinite Playlist,” “Flash of Genius” and “Beverly Hills Chihuahua.” Two are great, and two suck — you can guess which category “Beverly Hills Chihuahua” fits into while you click over.