Cleanup work.

src/engine/objects/Zone.java

@@ -52,7 +52,7 @@ public class Zone extends AbstractWorldObject {
     public float absZ = 0.0f;
     public int min_level;
     public int max_level;
-    public boolean hasBeenHotzone = false;
+    public boolean wasHotzonw = false;
     public ArrayList<Zone> nodes = new ArrayList<>();
     public int parentZoneID;
     public Zone parent = null;