Update private clans dashboard to show level progression in order, and
visually indicate which levels are not completed/started/completed.
Update private clans blurb and screenshot.
Subscribe prompt on make private clan checkbox.
Only fetch level sessions and achievements for 200 members.
Display members with more data first.
Show average clan achievements instead of total achievements.
General css cleanup.
Add private checkbox for clan creation.
Add info popover for private clans.
Subscribe prompt for create/join if necessary.
Don’t list private clans in public list.
