Verify valid settings before deploy (#1705)

inventory/group_vars/all.yml

roles/kubernetes-apps/rotate_tokens/tasks/main.yml

roles/kubernetes/master/tasks/kubeadm-setup.yml

roles/kubernetes/node/tasks/facts.yml

roles/kubernetes/preinstall/defaults/main.yml

roles/kubernetes/preinstall/tasks/main.yml

roles/kubernetes/preinstall/tasks/pre-upgrade.yml

roles/kubernetes/preinstall/tasks/verify-settings.yml

roles/kubespray-defaults/defaults/main.yaml