Merge branch 'master' into jgrpp

Remove the viewport sign cache as this is now superseded by the kd tree
implementation

# Conflicts:
#	src/crashlog.cpp
#	src/lang/english.txt
#	src/misc.cpp
#	src/pathfinder/follow_track.hpp
#	src/pbs.cpp
#	src/rail_cmd.cpp
#	src/saveload/vehicle_sl.cpp
#	src/settings.cpp
#	src/settings_gui.cpp
#	src/ship_cmd.cpp
#	src/station.cpp
#	src/station_base.h
#	src/station_cmd.cpp
#	src/table/settings.ini
#	src/thread/thread_morphos.cpp
#	src/town_cmd.cpp
#	src/train_cmd.cpp
#	src/viewport.cpp
#	src/waypoint.cpp

src/newgrf_house.cpp

@@ -368,8 +368,7 @@ static uint32 GetDistanceFromNearbyHouse(uint8 parameter, TileIndex tile, HouseI
 
 			/* Collect acceptance stats. */
 			uint32 res = 0;
-			for (Station * const * st_iter = sl->Begin(); st_iter != sl->End(); st_iter++) {
-				const Station *st = *st_iter;
+			for (Station *st : *sl) {
 				if (HasBit(st->goods[cid].status, GoodsEntry::GES_EVER_ACCEPTED))    SetBit(res, 0);
 				if (HasBit(st->goods[cid].status, GoodsEntry::GES_LAST_MONTH))       SetBit(res, 1);
 				if (HasBit(st->goods[cid].status, GoodsEntry::GES_CURRENT_MONTH))    SetBit(res, 2);