2.4 New: Tray icon event for windows. Set all new tasks save-path from the Add-task-dialog.

Fixed: After pausing and resuming an HTTP task, the task progress reset to 0. Auto-created host's default config error when entering address from the file browser's address bar. File browser extracts username and password from URL. Remove the default path "/" from the file browser. Remove the checkbox from torrent confirm-dialog when the torrent only has one file. Torrent confirm-dialog file size missing when the torrent only has one file.