Update EjectOnDeath.cs

Trying to add support for ground vehicles.
Update vehicles.yaml

Update for new EjectOnDeath.cs support.
Update defaults.yaml

Update for new EjectOnDeath.cs support.
Update EjectOnDeath.cs

System now works for ground units as well as aircraft!
Moved to root of Mods.RA
Update to support new EjectOnDeath.
Update to support new EjectOnDeath.

Current examples:
JEEP 10% chance to eject e1
APC 25% chance to eject e3
FTRK 25% chance to eject e1
Update to support new EjectOnDeath.

^Vehicle: 5% chance to eject e1 OnGround
^Plane: 50% chance to eject e1 InAir
Include another safety check for empty cells.

Some renaming and cleaning up.
Added another check for EjectInAir attempts.
Consistent examples.

Cloudy with a 20% chance of e1.
Examples removed.

All examples are in defaults.yaml now.