Merge pull request #6482 from matrix-org/erikj/port_rest_v1

changelog.d/6482.misc

synapse/app/synchrotron.py

synapse/rest/client/v1/directory.py

synapse/rest/client/v1/events.py

synapse/rest/client/v1/initial_sync.py

synapse/rest/client/v1/login.py

synapse/rest/client/v1/logout.py

synapse/rest/client/v1/presence.py

synapse/rest/client/v1/profile.py

synapse/rest/client/v1/push_rule.py

synapse/rest/client/v1/pusher.py

synapse/rest/client/v1/voip.py

tests/rest/client/v1/test_presence.py

tests/rest/client/v1/test_profile.py

tests/utils.py