Improved /seen:
* Vanished players who are not "online" (ie. fake quit) show as offline
* For everyone shows:
  - Time since they were online
  - Absolute time/date they were online
  - Perma ban + reason
  - Temp ban + reason + time left
* For gesuit.seen.extra holders:
  - IP address
  - GeoIP location
  - Current server (if online)
  - Banned By for any ban
* For gesuit.seen.vanish holders:
  - Allows vanished "offline" players to appear as online