GUI Improved: new toolkit: BitComet Video Codec Check Wizard
GUI Improved: add open BCTP/HTTP link command in file menu
GUI Improved: add BCTP link page in Task Property Dialog
GUI Improved: add Boss-key choice option
GUI Improved: add Disable torrent file download dialog option
GUI Improved: add Display task delete confirm dialog option
GUI Improved: add piece size 2/4/8MB choice when making torrent
GUI Improved: open web link in internal browse of BitComet
GUI Bugfix: fix mistake delete when multi-selection after torrent list sort
GUI Bugfix: fix the win2k auto shutdown issue
Core Improved: add video file preview when downloading
Core Improved: add Torrent download from DHT network using BCTP link
Core Improved: add protocol header encrypt option
Core Improved: add Always using NAT Traversal via UDP option
