VMs were starving, many of the daemons were unable to complete their
tasks resulting in tests failures.
Turned off verbose output from k8s components as it consumes even more resources, and useful error messages actually drown in debug-clutter
- add flannel support
- remove deprecated authorizationRBACSuperAdmin option
- rename from deprecated poratalNet to serviceClusterIpRange
- add nodeIp option for kubelet
- kubelet, add br_netfilter to kernelModules
- enable firewall by default
- enable dns by default on node and on master
- disable iptables for docker by default on nodes
- dns, restart on failure
- update tests
and other minor changes
