Thing: Add not_ operator.
Thing: Add in_ operator.
Subreddit AllMinus that subtracts from /r/all.
Clean up MultiReddit.
AllMinus gold only.
Add AllMinusBox sidebox.
Rearrange random_reddits.
Use Subreddit.random_reddits to limit AllMinus.
use AllMinusBox for goldies, InfoBar warning for non-goldies
Tweak /r/all page titles to be more descriptive.
Tweak and engolden allminus infobar appearance.
Add sidebar description to /r/all and /r/all-.
Tweak display name for AllMinus.
Remove whitespace from css_class template helper.
Entry in gold/about for AllMinus.
Un-gold-gate per subreddit karma on user pages.
Remove gold/about entry for per subreddit karma statistics.
Add snazzy first visit welcome bar.
Avoid using an inner PaneStack for stacking infobars.

This was causing API issues because the PaneStack json template
outputs a "{}" by default.
Add CommentsByAccount and LinksByAccount.