- wiring tool bugfixes

- new oxygen and welding fuel tank sprites
- more reliable method of checking that the sub can pass through the level
- moved the name of the highlighted item to the bottom of the screen

Subsurface/Source/Items/Components/Signal/LightComponent.cs

@@ -164,6 +164,9 @@ namespace Barotrauma.Items.Components
                 case "set_state":           
                     IsActive = (signal != "0");                   
                     break;
+                case "set_color":
+                    LightColor = signal;
+                    break;
             }
         }
     }