Merge branch 'master' into jgrpp

# Conflicts:
#	src/music.cpp
#	src/script/api/script_company.cpp
#	src/script/api/script_event_types.cpp
#	src/script/api/script_group.cpp
#	src/script/api/script_object.cpp
#	src/script/api/script_road.cpp

src/script/api/script_station.hpp

@@ -287,6 +287,7 @@ public:
 	/**
 	 * Toggle the open/closed state of an airport.
 	 * @param station_id The airport to modify.
+	 * @game @pre ScriptCompanyMode::IsValid().
 	 * @pre IsValidStation(station_id).
 	 * @pre HasStationType(station_id, STATION_AIRPORT).
 	 * @return True if the state was toggled successfully.