Moar refactoring and cleanups - common directory for ansible

common/playbooks/templates/etc/exports.ipv46

common/playbooks/templates/etc/mailutils.conf

common/playbooks/templates/etc/squid/conf.d/allcluster.conf

common/playbooks/upgrade.yaml

common/terraform/vars.tf

staging1/playbooks/cvmfs.yaml

staging1/playbooks/files/calico.yaml

staging1/playbooks/files/etc

staging1/playbooks/files/usr

staging1/playbooks/k8s.yaml

staging1/playbooks/squid.yaml

staging1/playbooks/templates/etc/exports

staging1/playbooks/templates/etc/exports

staging1/playbooks/templates/etc/mailutils.conf

staging1/playbooks/templates/etc/squid

...ing1/playbooks/templates/etc/squid/conf.d/allcluster.conf

staging1/playbooks/upgrade.yaml

testing/playbooks/cvmfs.yaml

testing/playbooks/files/calico.yaml

testing/playbooks/files/etc