Merge branch 'master' into jgrpp-nrt

Merge NRT feature

# Conflicts:
#	docs/landscape.html
#	docs/landscape_grid.html
#	src/bridge_map.h
#	src/build_vehicle_gui.cpp
#	src/company_base.h
#	src/company_cmd.cpp
#	src/misc_gui.cpp
#	src/newgrf.cpp
#	src/newgrf_engine.cpp
#	src/pathfinder/follow_track.hpp
#	src/pathfinder/npf/npf.cpp
#	src/road_cmd.cpp
#	src/road_func.h
#	src/road_gui.cpp
#	src/road_map.h
#	src/road_type.h
#	src/roadveh_cmd.cpp
#	src/saveload/afterload.cpp
#	src/saveload/company_sl.cpp
#	src/script/api/script_bridge.cpp
#	src/table/newgrf_debug_data.h
#	src/tile_cmd.h
#	src/town_cmd.cpp
#	src/tunnel_map.h
#	src/tunnelbridge_cmd.cpp

src/autoreplace_cmd.cpp

@@ -21,6 +21,7 @@
 #include "tracerestrict.h"
 #include "core/random_func.hpp"
 #include "vehiclelist.h"
+#include "road.h"
 
 #include "table/strings.h"
 
@@ -75,6 +76,9 @@ bool CheckAutoreplaceValidity(EngineID from, EngineID to, CompanyID company)
 		}
 
 		case VEH_ROAD:
+			/* make sure the roadtypes are compatible */
+			if ((GetRoadTypeInfo(e_from->u.road.roadtype)->powered_roadtypes & GetRoadTypeInfo(e_to->u.road.roadtype)->powered_roadtypes) == ROADTYPES_NONE) return false;
+
 			/* make sure that we do not replace a tram with a normal road vehicles or vice versa */
 			if (HasBit(e_from->info.misc_flags, EF_ROAD_TRAM) != HasBit(e_to->info.misc_flags, EF_ROAD_TRAM)) return false;
 			break;