- Crewcommander close button & info text notifying about the hotkey

- Doors can only be selected when they are broken
- Fixed crashing when placing a door while no sub is loaded
- Generating waypoints for an empty sub won't crash the game
- Drawing characterHUD in editor

Subsurface/Source/Items/ItemPrefab.cs

@@ -130,7 +130,7 @@ namespace Barotrauma
                         placePosition = Vector2.Zero;
 
                         item.Submarine = Submarine.Loaded;
-                        item.SetTransform(ConvertUnits.ToSimUnits(item.Position - Submarine.Loaded.Position), 0.0f);
+                        item.SetTransform(ConvertUnits.ToSimUnits(Submarine.Loaded == null ? item.Position : item.Position - Submarine.Loaded.Position), 0.0f);
                         item.FindHull();
                         
                         //selected = null;