[Hydrophonics] Revive people by growing Replicants

[Fonduede]

Well, it's my first attempt at making sprites, but they fit within a 2x2 tile area, with leeway on both left and right so it doesn't butt up against stuff. I figured if we have some big, oddly shaped items in other departments (the cryo tube, the arc smelter), then why not a big one in hydro?

I can bring it down to 2 wide by 1 tall if need be, or even two separate 1x1 sprites.