FS19 - Solar Battery Script V1.0.0.1

Script needs to be installed manually to vehicles!

Version 1.0.0.1:
Fixed updateMass value (vehicle was too heavy to drive)
Added xml-value to set fillUnitIndex of "Diesel"-fillUnit if it differs to 1

Adds ability for a vehicle to only work if solar power is active, else switching to battery.
Battery has a defined lifetime. If lifetime is reached, motor turns off and recharges when sun is back.

Instructions to modify settings, are within lua-file.

Authors: HoFFi