make status pagination headers generation more lax about next page
existing

in case of debugging incoming salmons. Add <thr:in-reply-to /> to favourite
salmons because it seems to be required by GS.

StreamEntry model. Simply render Salmon slaps as they are needed

background as well since it's a computationally expensive

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

timeline reload in UI, other small fixes

behaviour with Turbolinks enabled, optimizing Rabl for production