Upgrade Ruma to present.
The following are intentionally benign for activation in a later commit:
- Hydra backports not default.
- Room version 12 not default.
- Room version 12 not listed as stable.
Do not enable them manually or you can brick your database.
Signed-off-by: Jason Volk <jason@zemos.net>
Abstract Pdu unsigned accessors into trait Event.
Abstract Pdu relation related into trait Event.
Abstract PDU content into trait Event.
Move event_id utils from pdu to event.
Signed-off-by: Jason Volk <jason@zemos.net>
