added EventHandler for SwapItemsInHands as expansion for the

InventorryClick Eventhandler

src/de/steamwar/lobby/listener/PlayerInventoryListener.java

@@ -6,6 +6,7 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.player.PlayerDropItemEvent;
 import org.bukkit.event.player.PlayerPickupItemEvent;
+import org.bukkit.event.player.PlayerSwapHandItemsEvent;
 
 public class PlayerInventoryListener implements Listener {
 
@@ -23,6 +24,11 @@ public class PlayerInventoryListener implements Listener {
     public void handleInventoryClick(InventoryClickEvent event) {
         event.setCancelled(true);
     }
+    
+    @EventHandler
+    public void handlePlayerSwapHandItemsEvent(PlayerSwapHandItemsEvent event) {
+    	event.setCancelled(true);
+    }
 
 
 }