Base: Fix caching error on Windows Phone
Base: Fix caching error on Windows Phone

Also, fix run-once program submission on Windows Phone

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