Merge branch 'master' into jgrpp

Replace build and refit, and group collapse implementations
Fix template creation build and refit

# Conflicts:
#	Makefile.bundle.in
#	config.lib
#	src/animated_tile.cpp
#	src/blitter/32bpp_anim.hpp
#	src/blitter/32bpp_base.hpp
#	src/blitter/8bpp_base.hpp
#	src/blitter/null.hpp
#	src/build_vehicle_gui.cpp
#	src/command.cpp
#	src/command_func.h
#	src/console_gui.cpp
#	src/core/smallstack_type.hpp
#	src/date.cpp
#	src/debug.cpp
#	src/genworld_gui.cpp
#	src/ground_vehicle.hpp
#	src/group_gui.cpp
#	src/lang/korean.txt
#	src/linkgraph/linkgraph_gui.h
#	src/main_gui.cpp
#	src/misc_gui.cpp
#	src/network/core/game.h
#	src/network/core/packet.cpp
#	src/network/core/udp.cpp
#	src/network/core/udp.h
#	src/network/network_content.cpp
#	src/network/network_type.h
#	src/network/network_udp.cpp
#	src/newgrf_house.h
#	src/openttd.cpp
#	src/order_cmd.cpp
#	src/order_gui.cpp
#	src/os/unix/crashlog_unix.cpp
#	src/os/windows/crashlog_win.cpp
#	src/osk_gui.cpp
#	src/pathfinder/opf/opf_ship.cpp
#	src/rail_cmd.cpp
#	src/rail_gui.cpp
#	src/saveload/saveload.cpp
#	src/settings.cpp
#	src/settings_gui.cpp
#	src/smallmap_gui.h
#	src/station_base.h
#	src/station_cmd.cpp
#	src/table/gameopt_settings.ini
#	src/table/newgrf_debug_data.h
#	src/table/settings.ini
#	src/timetable_gui.cpp
#	src/toolbar_gui.cpp
#	src/train_gui.cpp
#	src/vehicle.cpp
#	src/vehicle_gui.cpp
#	src/vehiclelist.cpp
#	src/viewport.cpp
#	src/widgets/dropdown.cpp
#	src/window_gui.h

src/transparency_gui.cpp

@@ -35,13 +35,13 @@ public:
 		this->InitNested(window_number);
 	}
 
-	virtual void OnPaint()
+	void OnPaint() override
 	{
 		this->OnInvalidateData(0); // Must be sure that the widgets show the transparency variable changes, also when we use shortcuts.
 		this->DrawWidgets();
 	}
 
-	virtual void DrawWidget(const Rect &r, int widget) const
+	void DrawWidget(const Rect &r, int widget) const override
 	{
 		switch (widget) {
 			case WID_TT_SIGNS:
@@ -70,7 +70,7 @@ public:
 		}
 	}
 
-	virtual void OnClick(Point pt, int widget, int click_count)
+	void OnClick(Point pt, int widget, int click_count) override
 	{
 		if (widget >= WID_TT_BEGIN && widget < WID_TT_END) {
 			if (_ctrl_pressed) {
@@ -105,7 +105,7 @@ public:
 		}
 	}
 
-	virtual Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number)
+	Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number) override
 	{
 		Point pt = GetToolbarAlignedWindowPosition(sm_width);
 		pt.y += 2 * (sm_height - this->GetWidget<NWidgetBase>(WID_TT_BUTTONS)->current_y);
@@ -117,7 +117,7 @@ public:
 	 * @param data Information about the changed data.
 	 * @param gui_scope Whether the call is done from GUI scope. You may not do everything when not in GUI scope. See #InvalidateWindowData() for details.
 	 */
-	virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
+	void OnInvalidateData(int data = 0, bool gui_scope = true) override
 	{
 		if (!gui_scope) return;
 		for (uint i = WID_TT_BEGIN; i < WID_TT_END; i++) {