Imroves birthday math
Foraging gives survival exprience
Disassembling ammo gives firearms training.
Resolves an issue where saving would oblitterate skill practice
Resolves an issue where bearings would not spawn.
Road vehicles now have a non-zero number of headlights.
Scooter, Military Truck and Semi Truck templates now have a similar number of head lights as the vehicles they are inspired by.
The lights have not been repositioned optimally for the game.

Signed-off-by: D Lue Choy <dluechoy@>
Merge a batch of minor fixes.
Merge headlights for default vehicles.

Conflicts:
	veh_typedef.cpp