Merge branch 'enhanced_viewport_overlay-sx' into jgrpp

town_gui.cpp updated due to struct CommandContainer change.

Conflicts:
	src/command.cpp
	src/command_type.h
	src/gfxinit.cpp
	src/openttd.cpp
	src/pbs.cpp
	src/saveload/extended_ver_sl.cpp
	src/saveload/extended_ver_sl.h
	src/saveload/saveload.cpp
	src/stdafx.h
	src/train_cmd.cpp
	src/viewport_type.h
	src/window_type.h

src/road_cmd.cpp

@@ -1534,7 +1534,7 @@ static void TileLoop_Road(TileIndex tile)
 						TileY(tile) * TILE_SIZE + 7,
 						0,
 						EV_BULLDOZER);
-					MarkTileDirtyByTile(tile);
+					MarkTileDirtyByTile(tile, ZOOM_LVL_DRAW_MAP);
 					return;
 				}
 			}
@@ -1559,7 +1559,7 @@ static void TileLoop_Road(TileIndex tile)
 				cur_rs = ROADSIDE_BARREN;
 			}
 			SetRoadside(tile, cur_rs);
-			MarkTileDirtyByTile(tile);
+			MarkTileDirtyByTile(tile, ZOOM_LVL_DRAW_MAP);
 		}
 	} else if (IncreaseRoadWorksCounter(tile)) {
 		TerminateRoadWorks(tile);
@@ -1574,7 +1574,7 @@ static void TileLoop_Road(TileIndex tile)
 			}
 		}
 
-		MarkTileDirtyByTile(tile);
+		MarkTileDirtyByTile(tile, ZOOM_LVL_DRAW_MAP);
 	}
 }