Shocking? Check. Foul language? Check. Religious and racist? Double check. Sacrilegious and insulting? You betcha! That’s “The Book of Mormon” in a nutshell, with its cast of nerds and Ugandans as conversion targets. The play has won more than 30 international awards, is among Broadway’s longest-running shows, and remains an entertaining blast with singing, dancing and a ton of laughs, from the rhythmically wonderful opening number, “Hello,” to the shut-your-mouth (and mind) doctrine of “Turn…