refactoring
TCopyDialog: cleanup
TCopyDialog: minor refactoring
TCopyDialog: refactoring
TCopyDialog: refactoring
TCopyDialog: refactoring
TCopyDialog: refactoring
TCopyDialog::Execute: set default target
fix Mantis #0002632: Moving/renaming (F6) any file on FTP (SFTP) doesn't work properly

(http://bugs.farmanager.com/view.php?id=2632)
TWinSCPFileSystem::GetFilesRemote: bugfix: do not change default copy params when copying/moving files
refactoring: mark OUT parameters
refactoring: mark const parameters
refactoring: mark OUT parameters; reorder parameters
version info: update