Apply the filter the 'timeline' and 'ephemeral' keys of rooms.
Apply the filter to the 'presence' key of a sync response.

into separate functions.

This makes the code a bit easier to read, and means that we can reuse
the logic when implementing the v2 sync API.

Bundle in some room state in invites.

Add flag which disables federation of the room

Atomically persist events when joining a room over federation/

Validate the receipt type before passing it on to the receipt handler

Set m.room.canonical_alias on room creation.

Remove some of the unused definitions from synapse

Allow config file path to be configurable in in synctl

Also, allow it to be run from directories other than the synapse directory

Fix order of ON constraints in _get_rooms_for_user_where_membership