- "wiring mode" which makes wiring a bit more convenient in editor

- invisible entities (items inside cabinets, hulls/gaps when they've been hidden) can't be highlighted or selected in the editor
- fixed And Components always sending a signal out during the first frame if timeframe is set to 0.0
- fixed moloch not appearing in the tutorial

Subsurface/Source/Map/Gap.cs

@@ -30,7 +30,6 @@ namespace Barotrauma
         private float higherSurface;
         private float lowerSurface;
 
-
         public float Open
         {
             get { return open; }
@@ -73,6 +72,14 @@ namespace Barotrauma
             }
         }
 
+        public override bool SelectableInEditor
+        {
+            get
+            {
+                return ShowGaps;
+            }
+        }
+
         public Gap(MapEntityPrefab prefab, Rectangle rectangle)
            : this (rectangle, Submarine.Loaded)
         { }