Merge branch 'release/0.2.0' into develop
Actually fall back.
Some production.ini tweaks.
Make more admin fields required. Make one an email field.
Except division by zero error on Leaderboard when there are no users.
Remove Users placeholder from navbar.
Reorder nav bar.
Add missing page headers and make 'em all <h1>s.
Style improvements to user profile view.
Be able to specify where secret.ini is located.
Implement Explore view. Allow visiting a badge or user page via "search".
Explore view improvements.
Update secret.ini.example for recent config change.
Swap email and nickname display on user view.
Leaderboard competitor numbering was zero-indexed.
Move avatar def to a separate functions.mak file.
Add avatars to leaderboard.
Add avatar to user view (profile).
Fix bug where awarded_assertions were those of the viewed user on Profile.
Comment out the dep on Pillow.