There's another way you could do this. Using Panel, the settings icon gives you access to shutdown. Panel runs in any browser.
MCWS supports this, so you could probably use that, too. Look for shutdown. Start at the Developer page below.
I'm also looking for a way to remote reboot my Id Pi, as it seems to need a reboot every now and then. I run it headless, and it's a big pain to get a monitor, mouse, and keyboard to it.
To that end, what is 'Panel'?
Do you think there would be a way to add a remote shut down option in the Id Media Center software? Or in Gizmo?
Or, perhaps there is already something that allows me to do this and I'm missing it?
Thanks.