The option is already there, and has been mentioned in both the replacement camera-ui thread in the very first post, AND in this thread.

As for camera sounds, and everyone flipping a **** over it: Include the capacity to play them, and then make it a settings menu option as to whether or not to play them. That is the only option any of you should be arguing for, as it gives everyone the option to have what they want. Bam. I just solved all your life problems. You're welcome.