Ignoring TextMate 2 config files
Tried changing content-type on Adolf's Special™ to see if that will let Adolf's browser open csv files directly in Excel.
Tweaks to RISD list
Bandaid soln. to crash if image vote has no user.  Should be impossible, so there's a bug somewhere else to allow this case to arise.  Meanwhile, at least it won't crash...
Tweaks to user#erase_user, need to write unit test for it...
Added more extensive testing of User.erase_user.
Created the concept of a successful contributor to limit the ability of casual spammers to muck up with system.
Resolved spammer.verified conflict
Spammer fixes from master.