Fix Hands Crash (#122)

* Fixed sprite issues with construction system (Thanks PJB!).

* Storage and Hands Systems now subscribe to Transform Parent changes, and will keep their containers in sync.

* Add check in Interaction System to prevent processing client-side entities on the server.

Content.Server/GameObjects/Components/GUI/InventoryComponent.cs

@@ -111,7 +111,7 @@ namespace Content.Server.GameObjects
                 return false;
             }
 
-            clothing.EquippedToSlot(inventorySlot);
+            clothing.EquippedToSlot();
 
             Dirty();
             return true;