Allow user to run script on selected torrents

[GoogleCodeExporter]

I want to be able to select some torrents and right-click to run a script that 
performs many separate actions on those torrents. I have a script that changes 
many different settings, priorities, data location, queueing, etc and I want to 
be able to run it from transmission-remote-gui. Currently I run it from the 
command line after getting the list of torrent hashes and having my script 
interface through transmission-remote, but it would be much easier to just 
launch it from the gui. I'm running on Mac OS X, and have tried adding this as 
a keyboard shortcut / menu service, but that doesn't work, so I think it needs 
to be added in the app itself.

Original issue reported on code.google.com by colossus...@gmail.com on 29 Aug 2011 at 8:48

[GoogleCodeExporter]

yes. i agree. this could also be useful to explicitly do a virus scan on the 
torrent data with a POSIX open-source anti virus software such as "clamscan". I 
think a new "Advanced" or "Extras" tab should be put in the GUI, like in 
µTorrent, for these kind of features.

Original comment by petesimontabibito on 12 Jan 2013 at 6:52