* Add setting to mark profile as "private"
* If a profile is private you can't see their profile page or user photo
gallery unless you are friends (or admin)
* The Site Gallery never shows pictures from private profiles.
* Add HTML5 drag/drop upload support for photo gallery.
* Suppress SQL logging except in debug mode.
* Clean up extra logs.
Implement block lists. They work like friend lists but are unidirectional,
but take effect in both directions (blocker and blockee can not see one
another on the site -- except admin users can always see all users).
* Profile page says 404
* User gallery says 404
* User search page filters out blocked users
* Compose endpoint blocks sending messages to blocked users (except admin)
* Site Gallery filters photos by blocked (and uncertified) users
* Inbox page hides chat list for blocked users (can still read the chat
history if you have a link to the old thread)
* Add impersonate feature
* Add ban/unban user feature
* Add promote/demote admin status feature
* Add admin user deletion feature
* Admin ability to see other status certification pics
* Nav bar indicator of pending admin actions such as cert pics
needing approval
* Admin ability to search cert pics for specific user
