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Remove the viewport sign cache as this is now superseded by the kd tree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/network/core/tcp_http.cpp

@@ -310,11 +310,7 @@ int NetworkHTTPSocketHandler::Receive()
 	}
 
 	tv.tv_sec = tv.tv_usec = 0; // don't block at all.
-#if !defined(__MORPHOS__) && !defined(__AMIGA__)
 	int n = select(FD_SETSIZE, &read_fd, NULL, NULL, &tv);
-#else
-	int n = WaitSelect(FD_SETSIZE, &read_fd, NULL, NULL, &tv, NULL);
-#endif
 	if (n == -1) return;
 
 	for (NetworkHTTPSocketHandler **iter = _http_connections.Begin(); iter < _http_connections.End(); /* nothing */) {