Merge branch 'redis-statuses' into 'staging'

README.md

cache/Dockerfile

cache/run-seeder.sh

chart/values.yaml

config/dem_preprocessor-config.yml

config/dem_registrar-config.yml

config/emg_index-dev.html

config/emg_index-ops.html

config/emg_init-db.sh

config/emg_preprocessor-config.yml

config/emg_registrar-config.yml

config/vhr18_preprocessor-config.yml

config/vhr18_registrar-config.yml

core/Dockerfile

core/configure.sh

core/registrar/cli.py

core/registrar/daemon.py

core/run-registrar.sh

docker-compose.dem.yml

docker-compose.emg.yml