Merge branch 'master' into jgrpp

# Conflicts:
#	cmake/CompileFlags.cmake
#	src/crashlog.cpp
#	src/fileio.cpp
#	src/fileio_func.h
#	src/fios_gui.cpp
#	src/ini_load.cpp
#	src/ini_type.h
#	src/lang/english.txt
#	src/lang/german.txt
#	src/lang/korean.txt
#	src/network/network_client.cpp
#	src/order_base.h
#	src/order_cmd.cpp
#	src/os/windows/win32.cpp
#	src/road_cmd.cpp
#	src/saveload/saveload.cpp
#	src/saveload/saveload.h
#	src/settings.cpp
#	src/station_cmd.cpp
#	src/stdafx.h
#	src/table/settings.ini
#	src/tree_cmd.cpp
#	src/tree_gui.cpp
#	src/vehicle_base.h
#	src/video/cocoa/cocoa_v.mm
#	src/video/cocoa/event.mm
#	src/video/cocoa/wnd_quartz.mm
#	src/viewport.cpp
#	src/widgets/tree_widget.h

src/linkgraph/linkgraph_gui.cpp

@@ -600,7 +600,7 @@ static const NWidgetPart _nested_linkgraph_legend_widgets[] = {
 	EndContainer()
 };
 
-assert_compile(WID_LGL_SATURATION_LAST - WID_LGL_SATURATION_FIRST ==
+static_assert(WID_LGL_SATURATION_LAST - WID_LGL_SATURATION_FIRST ==
 		lengthof(LinkGraphOverlay::LINK_COLOURS[0]) - 1);
 
 static WindowDesc _linkgraph_legend_desc(