* Implement kubeadm init,join for Debian OS family (PoC) with
the external etcd option set.
* Make certs/tokens management optional and depending on
the use_kubeadm var
* Do not delegate static pods and config management to kubeadm
and remove produced artifacts to be regenerated by ansible.
* Add new set of system pods manifests templates based on that kubeadm
produces by default and parametrize it by ansible vars
* Fix apiserver container logging to follow 12-factor apps
and scheduler/controller-manager logging setup
Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
