* Fix New users appear in /keys/changes
* Create blank device keys when logging in on a new device
* Add PerformDeviceUpdate and fix a few bugs
- Correct device deletion query on sqlite
- Return no keys on /keys/query rather than an empty key
* Unbreak sqlite properly
* Use a real DB for currentstateserver integration tests
* Race fix
* User directory
* Fix syncapi unit test
* Make user directory only show remote users you know about from your joined rooms
* Update sytest-whitelist
* Review comments
* Use TransactionWriter on other component SQLites
* Fix sync API tests
* Fix panic in media API
* Fix a couple of transactions
* Fix wrong query, add some logging output
* Add debug logging into StoreEvent
* Adjust InsertRoomNID
* Update logging
* Remove membership table from account DB
And make code which needs that data use the currentstate server
* Unbreak tests; use a membership enum for space
* Move filter table to syncapi where it is used
* Implement /sync `limited` and read timeline limit from stored filters
We now fully handle `room.timeline.limit` filters (in-line + stored) and
return the right value for `limited` syncs.
* Update whitelist
* Default to the default timeline limit if it's unset, also strip the extra event correctly
* Update whitelist
