UX: Move topic entrance widget to posts column
FIX: Moving posts was not updating `reply_count` and
`reply_to_post_number` so reply linkage was broken.
Upgrade moment.js to latest version, add missing locales now that we
support more languages.
FIX: Broken locale specs
FIX: Using a binding in an `{{avatar}}` was broken
FIX: Float site settings were marked as overridden, reset didn't work.
TRIVIAL: fix deprecations due to momentjs upgrade
remove posts column from /categories
FIX: banner on small desktop screen
remove the "view all {number}.." from mobile cat
missed the posts TH on /categories
FIX: vBulletin wasn't importing posters...
FIX: don't use the user's discovery text as bio in vanilla importer