Decommissioned filter

[jenbreese]

I'd like to have a filter where we can show/hide all the Retired/Archived/Decommissioned demos. I've been sorting through the entries and we are listing some we do not want to reuse or show any more. I feel we shouldn't delete them but it would be nice if we could just filter them out easily. Maybe add a checkbox to the quick filters at the top left?