Moar refactoring and cleanups - common directory for ansible

cesnet-mcc/playbooks/files/etc

cesnet-mcc/playbooks/files/usr

cesnet-mcc/playbooks/k8s.yaml

cesnet-mcc/playbooks/squid.yaml

cesnet-mcc/playbooks/templates/etc/exports

cesnet-mcc/playbooks/templates/etc/exports

cesnet-mcc/playbooks/templates/etc/mailutils.conf

cesnet-mcc/playbooks/templates/etc/squid

cesnet-mcc/playbooks/upgrade.yaml

common/playbooks/cvmfs.yaml

common/playbooks/files/calico.yaml

common/playbooks/files/etc/ansible/facts.d/helm_repos.fact

common/playbooks/files/etc/profile.d/k8s-cheats.sh

common/playbooks/files/usr/local/bin/k8s-pods-cleaner.sh

common/playbooks/files/usr/local/bin/xfs-quotas.sh

common/playbooks/k8s.yaml

common/playbooks/notebooks.yaml

common/playbooks/squid.yaml

common/playbooks/templates/etc/exports.inventory_hostname

common/playbooks/templates/etc/exports.ipv4