def accounts=(new_accounts)
      old_accounts = @accounts
      @accounts = FogTracker.validate_accounts(new_accounts)
      if (@accounts != old_accounts)
        stop if (was_running = running?)
        create_trackers
        start if was_running
      end
      @accounts
    end
def accounts=(new_accounts)
      old_accounts = @accounts
      @accounts = FogTracker.validate_accounts(new_accounts)
      if (@accounts != old_accounts)
        stop if (was_running = running?)
        create_trackers
        start if was_running
      end
      @accounts
    end
Sets the account information.
 If any account info has changed, all trackers are restarted.
 @param [Hash] accounts a Hash of account information
    (see accounts.example.yml)