Need Move Completed path support for Execute scripts

[preacher37]

The script for decompressing files on ​http://dev.deluge-torrent.org/wiki/Plugins/Execute seems to only work if the torrent is NOT moved -- the third parameter apparently only gets the original path, not the path the torrent is moved to. This is making it near impossible to extract the files, since I can't pass that parameter to the unrar code. If there isn't a current way, can the developers perhaps pass the "move completed" path to the Execute script as (perhaps) the fourth parameter?

[Cas]

See #2322