Fix folding on settings page

Bug introduced in 9709b1c46593c64780a318be04f4105c960a9e97
Derp
S3: Load every file.
S3: Retry up to 5 times with delay

on null status, 500 'internal error' status.
Add a limit on the total amount of timeout.
More verbose S3 messages
Paper metadata on S3 uses dbName.

Which is more likely to be unique than confid.
The comment page is post-only.
Derp!
Redirect once, not twice.
Further improve comment.php redirections.
Describe settings in a JSON file.
Deprecate the collection of users' addresses and phone numbers
Rely less on IDs when constructing a comment editor.
Set emailCc and emailReplyTo through the web interface
Nits
Better error logging for unexpected session
Nit
Tell Google indexing different sorts is boring
Derp