add James and Jono to mailing list (as moderators)

[monkeypants]

James and Jono TODO:

• subscribe using this URL: http://lists.tridgell.net/cgi-bin/mailman/listinfo/canberrauav-safety-private
• send test message to confirm it's working

Then, send messages to the list from non-member addresses and confirm they can approve them (release from quarantine) .

removed this from #1 as a separate ticket.