Change deprecated vagrant ansible flag 'sudo' to 'become'

Block anonymous auth requests to kubelet

Fix kubelet container with alternate Docker data paths

Fix local volume provisioner mount point for rkt

Typo in apt-get command

Typo in apt-get command

Some time ago I think the hardcoded `/var/lib/docker` was required, but kubelet running in a container has been aware of the Docker path since at least as far back as k8s 1.6.

Without this change, you see a large number of errors in the kubelet logs if you installed with a non-default `docker_daemon_graph`

Improved proxy support

Update to Kubernetes 1.8.2

Update kubedns to 1.14.7 release

Parameterize dockerproject apt repo endpoints

Typo in the apt-get command

fix indentation for network policy option

Typo in the apt-get command

update flannel

Sysctl reload if needed after IP forward enabling

Disable swap in vagrant vms

This allows overriding of apt repo endpoints when internet sources are not accessible. Additionally, switch to using the dockerproject.org gpg key url for apt instead of keyservers.net

All nodes get converted to lowercase, so certs should set
CN with lowercase as well.