Merge branch 'stable' into production

CHANGELOG.md

DEPLOYMENT.md

clarin-dev2clarin.sh

dockerfiles/Dockerfile.nginx

dockerfiles/commul-customization/local.properties

dockerfiles/commul-customization/nginx.conf

dockerfiles/commul-customization/nginx.default.conf

dockerfiles/commul-customization/repository_auth

dockerfiles/commul-customization/robots-clarin.txt

dockerfiles/commul-customization/shibboleth2.xml

kubernetes/dspace-deployment.yaml

kubernetes/dspace-ingress.yaml

kubernetes/nginx-deployment.yaml

kubernetes/nginx-service.yaml

kubernetes/postgres-deployment.yaml