* Track trending tags
- Half-life of 1 day
- Historical usage in daily buckets (last 7 days stored)
- GET /api/v1/trends
Fix#271
* Add trends to web UI
* Don't render compose form on search route, adjust search results header
* Disqualify tag from trends if it's in disallowed hashtags setting
* Count distinct accounts using tag, ignore silenced accounts
* Fix regressions from #2683
Properly format spoiler text HTML, while keeping old logic for blankness intact
Process hashtags and mentions in spoiler text
Format spoiler text for Atom
Change "show more" toggle into a button instead of anchor
Fix style regression on dropdowns for detailed statuses
* Fix lint issue
* Convert spoiler text to plaintext in desktop notifications
* services: scan spoiler_text for hashtags (#699)
* views: link hashtags from spoiler_texts
This covers linking hashtags from within the spoiler
text on the server-generated pages.
* services: fix string concat going into hashtag RE
Cleaner Ruby syntax, may handle immutable strings better