File list (Check if you may need any files):
link\commons\GameConfiguration.java
....\.......\GameException.java
....\.......\LinkInfo.java
....\.......\Piece.java
....\.......\Point.java
....\LinkGame.java
....\listener\BeginListener.java
....\........\GameListener.java
....\service\AbstractBoard.java
....\.......\GameService.java
....\.......\impl\GameServiceImpl.java
....\.......\....\SimpleBoard.java
....\.......\....\SquareBoard.java
....\timer\TimerTask.java
....\utils\ImageUtil.java
....\view\GamePanel.java
....\....\TimeLabel.java
mail\box\AbstractBox.java
....\...\DeletedBox.java
....\...\DraftBox.java
....\...\InBox.java
....\...\MailBox.java
....\...\OutBox.java
....\...\SentBox.java
....\exception\FileException.java
....\.........\LoginException.java
....\.........\MailConnectionException.java
....\.........\PropertiesException.java
....\.........\SendMailException.java
....\.........\ValidateException.java
....\mail\LoadMailException.java
....\....\MailLoader.java
....\....\MailLoaderImpl.java
....\....\MailSender.java
....\....\MailSenderImpl.java
....\Main.java
....\object\FileObject.java
....\......\Mail.java
....\......\MailComparator.java
....\system\impl\SystemHandlerImpl.java
....\......\....\SystemLoaderImpl.java
....\......\SystemHandler.java
....\......\SystemLoader.java
....\ui\LoginFrame.java
....\..\MailContext.java
....\..\MailFrame.java
....\..\MailListTable.java
....\..\MailTableCellRenderer.java
....\..\MainFrame.java
....\..\MainListMouseListener.java
....\..\SailTreeCellRenderer.java
....\..\SailTreeListener.java
....\..\SendListMouseListener.java
....\..\SetupFrame.java
....\.til\FileUtil.java
....\....\PropertiesUtil.java
viewer\action\Action.java
......\......\BigAction.java
......\......\LastAction.java
......\......\NextAction.java
......\......\OpenAction.java
......\......\SmallAction.java
......\Main.java
......\ViewerAction.java
......\ViewerFileChooser.java
......\ViewerFrame.java
......\ViewerService.java
link\service\impl
mail\system\impl
link\commons
....\listener
....\service
....\timer
....\utils
....\view
mail\box
....\exception
....\mail
....\object
....\system
....\ui
....\util
viewer\action
link
mail
viewer