Merge branch 'master' into jgrpp

# Conflicts:
#	CMakeLists.txt
#	bin/ai/CMakeLists.txt
#	bin/game/CMakeLists.txt
#	src/ai/ai_info.cpp
#	src/company_base.h
#	src/economy.cpp
#	src/game/game_info.cpp
#	src/gfx_type.h
#	src/linkgraph/linkgraph_gui.cpp
#	src/palette.cpp
#	src/palette_func.h
#	src/saveload/saveload.h
#	src/saveload/vehicle_sl.cpp
#	src/ship_cmd.cpp
#	src/train_cmd.cpp
#	src/vehicle_base.h
#	src/window.cpp
#	src/window_func.h

src/ship_cmd.cpp

@@ -421,11 +421,11 @@ int Ship::GetEffectiveMaxSpeed() const
 }
 
 /**
- * Test-procedure for HasVehicleOnPos to check for any ships which are visible and not stopped by the player.
+ * Test-procedure for HasVehicleOnPos to check for any ships which are moving.
  */
 static Vehicle *EnsureNoMovingShipProc(Vehicle *v, void *)
 {
-	return (v->vehstatus & (VS_HIDDEN | VS_STOPPED)) == 0 ? v : nullptr;
+	return (v->cur_speed != 0) ? v : nullptr;
 }
 
 static bool CheckReverseShip(const Ship *v, Trackdir *trackdir = nullptr)