Merge branch 'master' into jgrpp

# Conflicts:
#	src/ai/ai_gui.cpp
#	src/build_vehicle_gui.cpp
#	src/genworld_gui.cpp
#	src/lang/english.txt
#	src/lang/german.txt
#	src/lang/korean.txt
#	src/newgrf_sound.cpp
#	src/roadveh.h
#	src/sound.cpp
#	src/station_cmd.cpp
#	src/train.h
#	src/train_cmd.cpp
#	src/vehicle.cpp
#	src/vehicle_base.h
#	src/vehicle_gui.cpp

src/table/control_codes.h

@@ -58,6 +58,7 @@ enum StringControlCode {
 	SCC_CARGO_TINY,
 	SCC_CARGO_LIST,
 	SCC_POWER,
+	SCC_POWER_TO_WEIGHT,
 	SCC_VOLUME_LONG,
 	SCC_VOLUME_SHORT,
 	SCC_WEIGHT_LONG,