Merge branch 'release-v0.3.0' of github.com:matrix-org/synapse

CHANGES.rst

UPGRADE.rst

VERSION

cmdclient/console.py

docs/client-server/swagger_matrix/api-docs-registration

docs/specification.rst

synapse/__init__.py

synapse/api/constants.py

synapse/api/events/__init__.py

synapse/api/events/factory.py

synapse/config/email.py

synapse/config/homeserver.py

synapse/federation/replication.py

synapse/federation/transport.py

synapse/handlers/events.py

synapse/handlers/federation.py

synapse/handlers/login.py

synapse/handlers/message.py

synapse/handlers/profile.py

synapse/handlers/register.py