Order radar view more sensibly
Order radar view more sensibly

1. Sort with by date_seen DESC so new stuff is at the top
   and old stuff is at the bottom
2. Sort by id as secondary criteria so order is consistent
   otherwise the order changes a bit every time we make an edit

DemocracyClub/EveryElection,DemocracyClub/EveryElection,DemocracyClub/EveryElection