Merge branch 'staging' into ingestor_status

.gitlab-ci.yml

README.md

chart/Chart.yaml

chart/files/index.html

chart/files/mapcache.xml

chart/files/registrar-config.yaml

config/emg_index-ops.html

config/shibboleth/emg-shibboleth2.xml

config/shibboleth/index.html

config/shibboleth/shib-apache.conf

core/Dockerfile

core/gunicorn.conf.py

core/registrar/backend.py

core/registrar/context.py

core/registrar/daemon.py

core/registrar/json.py

core/registrar/post_handlers.py

core/registrar/registrar.py

core/registrar/scheme.py

core/registrar/source.py