v1123 - Meaty Bits

- carcass pickups for special squirrels (to be used in artisan crafting)
- map work
- carcass texture update
- drop lights on proximity mines, grenades, max ammo
- turret damage upgrade skill
- speed walking skill
- FIX: persistent inventory save after selling items
- FIX: no more exiting vehicles in glider state
- FIX: correct modified max health and battery stats during character selection