Update resultsbot to remove is_winner
Update resultsbot to remove is_winner

- Resultsbot will set elected on the membership model initially
- Then loop through and check membership elected value
- Add missing person.save() call when setting someone not elected

DemocracyClub/yournextrepresentative,DemocracyClub/yournextrepresentative,DemocracyClub/yournextrepresentative