* Bump gomatrixserverlib
Mostly because I want to use Erik's go-faster jsoning.
* Update KeyDB for new KeyFetcher API
we now need to implement FetcherName.
* Attempt to fix integ tests
CanonicalJSON doesn't like the empty string, apparently, and anyway
canonicalising it is pointless.
* More integ test fix
* Fix response to /invite to match the format expected by synapse
* gb vendor update github.com/matrix-org/gomatrixserverlib
* Use gomatrixserverlib.RespInvite
* gb vendor update github.com/matrix-org/gomatrixserverlib
* Start implementing the join room API
* Hacks to get join room working
* Make the TLS fingerprint configurable
* Fix the client API proxy to handle '#' correctly
* Return a 200 OK response
* Write the join event along with current state to the room server
* Comment on the error handling
* Fix typos
* Fix tab
* Add TODO for moving authEventIDs to gomatrixserverlib
* Comment on why we ignore the key ID argument for local keys
* Avoid 'preceeded'
* Neaten the control flow
* Neaten the control flow even more
* Return pointers
* Rename err to lastErr for the loop
