Port to use state storage

synapse/handlers/admin.py

synapse/handlers/device.py

synapse/handlers/events.py

synapse/handlers/federation.py

synapse/handlers/initial_sync.py

synapse/handlers/message.py

synapse/handlers/pagination.py

synapse/handlers/room.py

synapse/handlers/search.py

synapse/handlers/sync.py

synapse/notifier.py

synapse/push/httppusher.py

synapse/push/mailer.py

synapse/push/push_tools.py

synapse/state/__init__.py

synapse/visibility.py

tests/storage/test_state.py

tests/test_state.py

tests/test_visibility.py