Closes: #334

from accounts/tags because it's a terribly inefficient way to paginate
large sets of data

Fix #233, fix #268

can be processed separately

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