Merge branch 'master' into shib-auth

.gitlab-ci.yml

README.md

cache/configure.sh

cache/install.sh

config/dem_mapcache-dev.xml

config/dem_mapcache-ops.xml

config/dem_preprocessor-config.yml

config/dem_sftp_users.conf

config/emg_init-db.sh

config/emg_mapcache-dev.xml

config/emg_mapcache-ops.xml

config/emg_preprocessor-config.yml

config/emg_sftp_users.conf

config/vhr18_mapcache-dev.xml

config/vhr18_mapcache-ops.xml

config/vhr18_preprocessor-config.yml

config/vhr18_sftp_users.conf

core/Dockerfile

core/configure.sh

core/entrypoint.sh