User groups management

User rights log

• GoneAwayNowAndRetired
  from edit filter manager and administrator to administrator
• GoneAwayNowAndRetired
  from administrator to administrator and edit filter manager (To review filters)
• GoneAwayNowAndRetired
  from rollbacker to administrator (successful RFA)
• GoneAwayNowAndRetired
  from (none) to rollbacker (User can be trusted with rollback)