Options: Rename expansion boards to total stations
Options: Rename expansion boards to total stations

Also fix preview calculation for sun rise/set times

PeteBa/OpenSprinkler-App,OpenSprinkler/OpenSprinkler-App,OpenSprinkler/OpenSprinkler-App,PeteBa/OpenSprinkler-App,PeteBa/OpenSprinkler-App,OpenSprinkler/OpenSprinkler-App