Makes genitals_use_skintone save (#2514)
Makes genitals_use_skintone save (#2514)

Adds a hook or whatever for it to save the setting.
Now, granted, with my previous PR this is probably pointless since
humans got custom colours now...
But it's good practice, you know? In case we revert the other PR and
all.
Poojawa/Citadel-Station-13-portworks,Poojawa/Citadel-Station-13-portworks,Citadel-Station-13/Citadel-Station-13,Citadel-Station-13/Citadel-Station-13,Citadel-Station-13/Citadel-Station-13,Poojawa/Citadel-Station-13-portworks,Citadel-Station-13/Citadel-Station-13,lm40/Citadel-Station-13,Citadel-Station-13/Citadel-Station-13-6th-Port,Poojawa/Citadel-Station-13-portworks,Citadel-Station-13/Citadel-Station-13-6th-Port,Citadel-Station-13/Citadel-Station-13-6th-Port,lm40/Citadel-Station-13,lm40/Citadel-Station-13,Citadel-Station-13/Citadel-Station-13-6th-Port,Poojawa/Citadel-Station-13-portworks,Poojawa/Citadel-Station-13-portworks,lm40/Citadel-Station-13,Citadel-Station-13/Citadel-Station-13,Poojawa/Citadel-Station-13-portworks,Citadel-Station-13/Citadel-Station-13,Poojawa/Citadel-Station-13-portworks,Citadel-Station-13/Citadel-Station-13,Citadel-Station-13/Citadel-Station-13