Merge branch 'master' into jgrpp

# Conflicts:
#	src/aircraft_cmd.cpp
#	src/autoreplace_cmd.cpp
#	src/pathfinder/follow_track.hpp
#	src/pathfinder/yapf/yapf_rail.cpp
#	src/saveload/afterload.cpp
#	src/saveload/saveload.cpp
#	src/script/api/ai/ai_station.hpp.sq
#	src/script/api/game/game_station.hpp.sq
#	src/script/api/script_station.hpp
#	src/track_func.h
#	src/vehicle_base.h

src/viewport.cpp

@@ -3775,7 +3775,6 @@ void UpdateTileSelection()
 					break;
 				default:
 					NOT_REACHED();
-					break;
 			}
 			_thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
 			_thd.new_pos.y = y1 & ~TILE_UNIT_MASK;