Merge branch 'release-v0.33.8'

.circleci/config.yml

.circleci/merge_base_branch.sh

.travis.yml

CHANGES.md

README.rst

UPGRADE.rst

changelog.d/4072.misc

docker/conf/homeserver.yaml

scripts-dev/check_auth.py

scripts-dev/check_event_hash.py

scripts-dev/check_signature.py

scripts-dev/convert_server_keys.py

scripts-dev/definitions.py

scripts-dev/dump_macaroon.py

scripts-dev/federation_client.py

scripts-dev/hash_history.py

scripts-dev/list_url_patterns.py

scripts-dev/tail-synapse.py

scripts/hash_password

scripts/move_remote_media_to_new_store.py