Lux RV update

Curtain in Lux RV was  blocked by tables,  also  I add stowboard storage space
Lux RV update

Curtain in Lux RV was  blocked by tables,  also  I add stowboard storage space
Update vehicles.json
Merge branch 'master' of https://github.com/ChunkOfMeat/Cataclysm-DDA into ChunkOfMeat-master