So people can still collect consent the old way if they want to.

Presumably this is the intention anyways. I've also updated the domain part to be something more along the lines of what people might expect.

Also indent all of them with 4 spaces.

They still can't reject invites, but we let them leave it.

probably should have done this in the first place, like @turt2live suggested.

fixes #3260

Hopefully there are enough comments and docs in this that it makes sense on its
own.

We aren't ready to release this yet, so I'm reverting it for now.

This reverts commit d1679a4e, reversing
changes made to e089100c.

Fixes https://github.com/matrix-org/synapse/issues/3018



Signed-off-by: Travis Ralston <travpc@gmail.com>

Signed-off-by: Travis Ralston <travpc@gmail.com>

clarify that `purge_history` will not purge state

All the others are code blocks, so this one should be to (currently it is a blockquote).

Signed-off-by: Travis Ralston <travpc@gmail.com>

Make the purge request return quickly, and allow scripts to poll for updates.

It annoys me that we create temporary function objects when there's really no
need for it. Let's factor the gubbins out of preserve_fn and start using it.

Signed-off-by: Travis Ralston <travpc@gmail.com>