Merge branch 'release-v0.18.5' of github.com:matrix-org/synapse

.travis.yml

CHANGES.rst

README.rst

jenkins-dendron-postgres.sh

jenkins/prepare_synapse.sh

setup.py

synapse/__init__.py

synapse/api/auth.py

synapse/api/errors.py

synapse/api/filtering.py

synapse/app/federation_sender.py

synapse/appservice/__init__.py

synapse/appservice/api.py

synapse/config/logger.py

synapse/config/password_auth_providers.py

synapse/config/registration.py

synapse/config/server.py

synapse/events/utils.py

synapse/federation/__init__.py

synapse/federation/federation_client.py