Filter teams better
Reset termination_at for assassinations
Rename Kill.occurred_at to Kill.confirmed_at
Adjust for renaming of column
Set when a kill is confirmed when it is confirmed
Add a newline
Reassign contract when team is eliminated
Add remaining_teams method to Game
Kill all out-of-town users as necessary
Account for @kill.killer not being present
Allow dashboard to handle non-assassinations
Fix up kill confirmation