Remove '?' causing failed submission page redirects.
Fix 'working-dir' in geoip.conf.
Fix "just now ago" on usertableitem
Fix "just now ago" on wikiview
Remove `over18` keyword from user_subreddits and default_subreddits.
Remove `limit` keyword from default_subreddits.
Subreddit.add_props: only call default_subreddits when needed.

Also some cleanup.
Delete unused Subreddit.is_subscriber_defaults.
SubredditBar: Don't include popular subreddits if user is loggedin.
Add popular subreddits to top bar if user has few subscriptions.
Trylater:  Enable temporary subreddit bans
tdb_cassandra:  Add support for TimeUUIDType column values
Add location to pagecache key.
Revert "Add location to pagecache key."

I shouldn't have pushed this up yet. Prerequisite commits aren't in
place. My bad.

This reverts commit 44e4803f412d33b00f9503d7fca43ded32d4a7e8.
Revert "Include reserved subdomain in render cache key."

This reverts commit f1aefd25b07cab25c8066aec2ba802d38fb9e504.

Broke RSS feed links and a number of other things in subtle ways
Add request.host to Wrapped's cache_key for SSL.
Include the Number inputtype for pretty form.

@reostra
Add get_request_location method.

Sets location from Edgescape header or from the request's IP
using the internal geoip service.
Add LocalizedDefaultSubreddits and hook into default_subreddits.
Let Subreddit.default_subreddits be called without request context.