- emergency siren and alarm buzzer items

- wires and alarm buzzers can be fabricated
- fixed items selecting constructions outside the hulls
- ItemLabel.TextColor works now
- removed a random dot at the corner of head5.png
- inventory is visible in wiring mode
- fixed null reference exceptions in AIObjectiveGoto and Holdable

Subsurface/Source/Characters/AI/Objectives/AIObjectiveGoTo.cs

@@ -104,7 +104,7 @@ namespace Barotrauma
 
                 var indoorsSteering = character.AIController.SteeringManager as IndoorsSteeringManager;
 
-                if (indoorsSteering.CurrentPath.Unreachable)
+                if (indoorsSteering.CurrentPath==null || indoorsSteering.CurrentPath.Unreachable)
                 {
                     indoorsSteering.SteeringWander();
                 }

Subsurface/Source/Characters/Character.cs

@@ -756,7 +756,7 @@ namespace Barotrauma
             if (torso == null) return null;
 
             Vector2 pos = (torso.body.TargetPosition != Vector2.Zero) ? torso.body.TargetPosition : torso.SimPosition;
-            Vector2 pickPos = selectedConstruction == null ? mouseSimPos : selectedConstruction.SimPosition;
+            Vector2 pickPos = selectedConstruction == null ? mouseSimPos : ConvertUnits.ToSimUnits(selectedConstruction.WorldPosition);
 
             if (Submarine != null)
             {