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

e

silenced mode + edits

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

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

during Fan Out On Write to load less stuff into memory