Remove auth.info

Fixes #2541
Use not.category messages when missing spreadsheet record

Really should say like "all" for top.  One day.  Fixes #2544
Save on blur in spreadsheet

Fixes #2501
add plus icon to editing
add plus icon to editing
Change classification into three separate drop-down questions

Fixes #2543
fix styling not showing images on registration auth, fixes #2545
Always show all excerpts; display message when no permission

Fixes #2539
Tweak nopermission message
Minor message cleanup