adds "join any game" button + translation strings update

src/gui/qt/gamelobbydialog/gamelobbydialogimpl.h

@@ -51,6 +51,7 @@ public slots:
 
 	void createGame();
 	void joinGame();
+	void joinAnyGame();
 
 	void gameSelected(QTreeWidgetItem*, QTreeWidgetItem*);
 	void updateGameItem(QTreeWidgetItem *item, unsigned gameId);
@@ -102,6 +103,8 @@ public slots:
 
 	void showWaitStartGameMsgBox();
 
+	void joinAnyGameButtonRefresh();
+
 
 private: