Merge branch 'master' into jgrpp

# Conflicts:
#	CMakeLists.txt
#	bin/ai/CMakeLists.txt
#	bin/game/CMakeLists.txt
#	src/ai/ai_info.cpp
#	src/company_base.h
#	src/economy.cpp
#	src/game/game_info.cpp
#	src/gfx_type.h
#	src/linkgraph/linkgraph_gui.cpp
#	src/palette.cpp
#	src/palette_func.h
#	src/saveload/saveload.h
#	src/saveload/vehicle_sl.cpp
#	src/ship_cmd.cpp
#	src/train_cmd.cpp
#	src/vehicle_base.h
#	src/window.cpp
#	src/window_func.h

src/depot_gui.cpp

@@ -386,7 +386,7 @@ struct DepotWindow : Window {
 		 */
 		if (this->type == VEH_TRAIN && _consistent_train_width != 0) {
 			int w = ScaleSpriteTrad(2 * _consistent_train_width);
-			int col = _colour_gradient[wid->colour][4];
+			int col = GetColourGradient(wid->colour, SHADE_NORMAL);
 			Rect image = ir.Indent(this->header_width, rtl).Indent(this->count_width, !rtl);
 			int first_line = w + (-this->hscroll->GetPosition()) % w;
 			if (rtl) {