Merge branch 'release-v0.3.4' of github.com:matrix-org/synapse

CHANGES.rst

VERSION

docs/client-server/swagger_matrix/api-docs-rooms

docs/turn-howto.rst

synapse/__init__.py

synapse/api/auth.py

synapse/api/events/__init__.py

synapse/api/events/factory.py

synapse/api/events/room.py

synapse/api/events/utils.py

synapse/config/captcha.py

synapse/config/homeserver.py

synapse/config/voip.py

synapse/handlers/federation.py

synapse/handlers/message.py

synapse/handlers/room.py

synapse/rest/__init__.py

synapse/rest/register.py

synapse/rest/room.py

synapse/rest/voip.py