Disable rejoin for players who have been kicked.

src/engine/playerinterface.h

@@ -120,6 +120,8 @@ public:
 
 	virtual void setIsConnected(bool connected) =0;
 	virtual bool isConnected() const=0;
+	virtual void setIsKicked(bool kicked) =0;
+	virtual bool isKicked() const=0;
 
 	virtual bool checkIfINeedToShowCards() =0;
 };