Only distribute statuses to followers who signed in in the last 2 weeks, add rake task for clearing feeds of inactive users

Rename media to avoid exposing filename (fixes #207)

then adjust to failure later if the request fails

skip ActionCable for follow/unfollow/block events, instead clear UI from
blocked account's posts instantly if block request succeeds. Add forgotten
i18n for sensitive content

Missing lines in the French translation

 https://mastodon.social/users/Pierrec/updates/100589

e

before loading new one, cache notifications API, fix missing follow button
on public profiles

Remove unneeded indices, improve error handling in background workers, don't needlessly reload reblogged status, send Devise e-mails asynchronously

Merge

silenced mode + edits

From https://github.com/doorkeeper-gem/doorkeeper-i18n/blob/master/rails/locales/fr.yml

From https://gist.github.com/qsypoq/4cf3b858ff8242ffb013