Method prepare

src/main/java/net/bither/Bither.java:341–352

()

            final DialogProgress dialogProgress = new DialogProgress();
            UpgradeUtil.upgradeNewVerion(new RunnableListener() {
                @Override
                public void prepare() {
                    PeerUtil.stopPeer();
                    SwingUtilities.invokeLater(new Runnable() {
                        @Override
                        public void run() {
                            dialogProgress.pack();
                            dialogProgress.setVisible(true);
                        }
                    });

                }

                @Override
                public void success(Object obj) {