std::auto_ptr --> std::unique_ptr
fix typo
Bugfix: password prompt dialog is showing password

(http://forum.farmanager.com/viewtopic.php?f=5&t=6317&p=116419#p116402)
Bugfix: password prompt dialog is not showing checkbox "Change stored password"
Bugfix: SCP: fatal error trying to open zero-length file on remote server

(http://forum.farmanager.com/viewtopic.php?f=5&t=6317&p=116419#p116419)
version info: update