Merge branch 'master' into dev

.docs/.swagger/api-container.yaml

.docs/.swagger/api-database.yaml

.docs/.swagger/api-identifier.yaml

.docs/.swagger/api-query.yaml

.docs/.swagger/api-semantics.yaml

.docs/.swagger/api-table.yaml

.docs/.swagger/api-user.yaml

.docs/customization.md

.docs/deployment.md

.docs/get-started.md

.docs/images/architecture.png

.docs/redirect.html

.docs/requirements.txt

.docs/system-databases-search.md

.docs/system-other-ui.md

.docs/system-services-analyse.md

.docs/system-services-authentication.md

.docs/system-services-data.md

.docs/system-services-metadata.md

.docs/system-services-mirror.md