Merge CI workflow branch work into master so that we are all on the same

.gitlab-ci.yml

continuousintegration/README.md

continuousintegration/ci_helpers/rename_tag.sh

continuousintegration/docker/ctafrontend/README.md

continuousintegration/docker/ctafrontend/cc7/Dockerfile

...on/docker/ctafrontend/cc7/config/ctaeos/etc/sysconfig/eos

...ation/docker/ctafrontend/cc7/config/ctaeos/etc/xrd.cf.fst

...ation/docker/ctafrontend/cc7/config/ctaeos/etc/xrd.cf.mgm

...ration/docker/ctafrontend/cc7/config/ctaeos/etc/xrd.cf.mq

...frontend/cc7/config/ctafrontend/etc/xrootd/xrootd-cta.cfg

...ration/docker/ctafrontend/cc7/etc/yum.repos.d/castor.repo

...cker/ctafrontend/cc7/etc/yum.repos.d/centos-cernonly.repo

...egration/docker/ctafrontend/cc7/etc/yum.repos.d/ceph.repo

...tegration/docker/ctafrontend/cc7/etc/yum.repos.d/cta.repo

...tegration/docker/ctafrontend/cc7/etc/yum.repos.d/eos.repo

...ker/ctafrontend/cc7/etc/yum/pluginconf.d/versionlock.list

continuousintegration/docker/ctafrontend/cc7/run.sh

continuousintegration/orchestration/pods/init/cli.sh

continuousintegration/orchestration/pods/init/ctafrontend.sh

continuousintegration/orchestration/pods/init/init.sh