Merge branch 'master' into jgrpp

# Conflicts:
#	src/articulated_vehicles.cpp
#	src/articulated_vehicles.h
#	src/autoreplace_cmd.cpp
#	src/build_vehicle_gui.cpp
#	src/company_gui.cpp
#	src/core/format.hpp
#	src/genworld_gui.cpp
#	src/gfx.cpp
#	src/group_gui.cpp
#	src/linkgraph/linkgraph_gui.cpp
#	src/misc/endian_buffer.hpp
#	src/music/music_driver.hpp
#	src/newgrf_gui.cpp
#	src/rail_cmd.cpp
#	src/road_gui.cpp
#	src/settings_type.h
#	src/strgen/strgen.cpp
#	src/strings.cpp
#	src/timetable_cmd.cpp
#	src/town.h
#	src/vehicle.cpp
#	src/vehicle_gui.cpp
#	src/vehicle_gui_base.h
#	src/widget.cpp
#	src/widgets/dropdown.cpp
#	src/widgets/road_widget.h

src/error_gui.cpp

@@ -430,7 +430,8 @@ void ShowErrorMessage(StringID summary_msg, StringID detailed_msg, WarningLevel
  * Close active error message window
  * @return true if a window was closed.
  */
-bool HideActiveErrorMessage() {
+bool HideActiveErrorMessage()
+{
 	ErrmsgWindow *w = (ErrmsgWindow*)FindWindowById(WC_ERRMSG, 0);
 	if (w == nullptr) return false;
 	w->Close();