Experimental build: Status and detection meters

This build adds some gauges to display your stats – heartrate, oxygen, and energy. There’s also a pair of meters showing how audible and visible you are to Fen, which should help make it more clear when it can and cannot detect you.

I also re-added the house (now called “garage”) and campsite scenes. They will be getting overhauled at some point, but I might as well leave them in for now.

Also, I’ve tweaked the stamina values a bit so that oxygen recharges faster. I’m still dialing the numbers in – should be easier now that I have nice meters instead of ugly debug text (: