Merge branch 'classic-flakeids' into 'develop'

lib/pleroma/PasswordResetToken.ex

lib/pleroma/activity.ex

lib/pleroma/application.ex

lib/pleroma/clippy.ex

lib/pleroma/filter.ex

lib/pleroma/flake_id.ex

lib/pleroma/list.ex

lib/pleroma/notification.ex

lib/pleroma/user.ex

lib/pleroma/user/info.ex

lib/pleroma/web/activity_pub/activity_pub.ex

lib/pleroma/web/activity_pub/transmogrifier.ex

lib/pleroma/web/activity_pub/views/user_view.ex

lib/pleroma/web/oauth/authorization.ex

lib/pleroma/web/oauth/token.ex

lib/pleroma/web/push/subscription.ex

lib/pleroma/web/twitter_api/twitter_api_controller.ex

lib/pleroma/web/websub/websub_client_subscription.ex

...grations/20181218172826_users_and_activities_flake_id.exs

test/flake_id_test.exs