Updates loot spawns
Added Engine T1 loot spawns to roadside monuments
Added vehicle vendors to compound
Safe zone and nobuild larger at compound
Added Airwolf to compound rooftops (temp)
Moved roadside decor further away from roads
Fixed layer issue on pumpjack road
Better road joins (smoother transition)
Bunch of other smaller fixes due to disconnected prefabs (loads of work still to be done here)