* first cut poll model
* process incoming poll relations
* allow alt event types in relations model
* allow alt event types in relations model
* remove unneccesary checks on remove relation
* comment
* Revert "allow alt event types in relations model"
This reverts commit e578d84464.
* Revert "Revert "allow alt event types in relations model""
This reverts commit 515db7a8bc.
* basic handling for new poll relations
* tests
* test room.processPollEvents
* join processBeaconEvents and poll events in client
* tidy and set 23 copyrights
* use rooms instance of matrixClient
* tidy
* more copyright
* simplify processPollEvent code
* throw when poll start event has no roomId
* updates for events-sdk move
* more type changes for events-sdk changes
* comment
