Merge branch 'master' into jgrpp

# Conflicts:
#	regression/regression/result.txt
#	src/aircraft_cmd.cpp
#	src/airport_gui.cpp
#	src/articulated_vehicles.cpp
#	src/console_cmds.cpp
#	src/date_gui.cpp
#	src/engine.cpp
#	src/genworld_gui.cpp
#	src/gfx_layout_fallback.cpp
#	src/group_gui.cpp
#	src/hotkeys.cpp
#	src/network/core/tcp_connect.cpp
#	src/network/core/tcp_listen.h
#	src/newgrf.cpp
#	src/newgrf.h
#	src/newgrf_engine.cpp
#	src/newgrf_gui.cpp
#	src/newgrf_station.cpp
#	src/openttd.cpp
#	src/order_gui.cpp
#	src/os/macosx/osx_main.cpp
#	src/pathfinder/yapf/yapf_node_rail.hpp
#	src/rail_gui.cpp
#	src/saveload/afterload.cpp
#	src/saveload/cargopacket_sl.cpp
#	src/saveload/linkgraph_sl.cpp
#	src/saveload/station_sl.cpp
#	src/script/api/script_industrytype.cpp
#	src/settings.cpp
#	src/settings_gui.cpp
#	src/settings_table.cpp
#	src/settingsgen/settingsgen.cpp
#	src/station.cpp
#	src/station_cmd.cpp
#	src/strings.cpp
#	src/timer/timer_game_calendar.cpp
#	src/timer/timer_game_calendar.h
#	src/timer/timer_manager.h
#	src/timer/timer_window.cpp
#	src/timetable_cmd.cpp
#	src/toolbar_gui.cpp
#	src/town_cmd.cpp
#	src/town_gui.cpp
#	src/train_gui.cpp
#	src/vehicle_cmd.h
#	src/vehicle_gui.cpp
#	src/viewport.cpp
#	src/widgets/dropdown.cpp
#	src/window_func.h
#	src/window_gui.h

src/date_gui.cpp

@@ -81,14 +81,14 @@ struct SetDateWindow : Window {
 
 			case WID_SD_DAY:
 				for (uint i = 0; i < 31; i++) {
-					list.emplace_back(new DropDownListStringItem(STR_DAY_NUMBER_1ST + i, i + 1, false));
+					list.push_back(std::make_unique<DropDownListStringItem>(STR_DAY_NUMBER_1ST + i, i + 1, false));
 				}
 				selected = this->date.day;
 				break;
 
 			case WID_SD_MONTH:
 				for (uint i = 0; i < 12; i++) {
-					list.emplace_back(new DropDownListStringItem(STR_MONTH_JAN + i, i, false));
+					list.push_back(std::make_unique<DropDownListStringItem>(STR_MONTH_JAN + i, i, false));
 				}
 				selected = this->date.month;
 				break;
@@ -96,7 +96,7 @@ struct SetDateWindow : Window {
 			case WID_SD_YEAR:
 				for (Year i = this->min_year; i <= this->max_year; i++) {
 					SetDParam(0, i);
-					list.emplace_back(new DropDownListStringItem(STR_JUST_INT, i, false));
+					list.push_back(std::make_unique<DropDownListStringItem>(STR_JUST_INT, i, false));
 				}
 				selected = this->date.year;
 				break;