Merge branch 'master' into jgrpp

# Conflicts:
#	src/economy.cpp
#	src/linkgraph/refresh.cpp
#	src/order_cmd.cpp
#	src/saveload/vehicle_sl.cpp
#	src/station.cpp
#	src/station_base.h
#	src/timetable_cmd.cpp
#	src/timetable_gui.cpp
#	src/vehicle.cpp
#	src/vehicle_base.h
#	src/vehicle_cmd.cpp

src/saveload/afterload.cpp

@@ -2037,9 +2037,9 @@ bool AfterLoadGame()
 		for (Order *order : Order::Iterate()) order->ConvertFromOldSavegame();
 
 		for (Vehicle *v : Vehicle::Iterate()) {
-			if (v->orders.list != nullptr && v->orders.list->GetFirstOrder() != nullptr && v->orders.list->GetFirstOrder()->IsType(OT_NOTHING)) {
-				v->orders.list->FreeChain();
-				v->orders.list = nullptr;
+			if (v->orders != nullptr && v->orders->GetFirstOrder() != nullptr && v->orders->GetFirstOrder()->IsType(OT_NOTHING)) {
+				v->orders->FreeChain();
+				v->orders = nullptr;
 			}
 
 			v->current_order.ConvertFromOldSavegame();