kubedns consistency fixes

Make etcd_backup_prefix configurable. 

docker_dns_servers_strict to control docker_dns_servers rtrim

Create ansible.md

Rename project to kubespray

changing username from "ubuntu" to the correct one "vagrant" for ubuntu

Sync folders on the vagrant machine

CI Fixes: turn off coreos updates

Make kubedns up to date

Update kube-dns version to 1.14.2
https://github.com/kubernetes/kubernetes/pull/45684

Fixing a condition that cause upgrade failure. 

Make etcd_backup_prefix configurable. Ensures that backups can be stored on a different location other than ${HOST}/var/backups, say an EBS volume on AWS.

Flow for intergation with existing ansible repo

Modify documented neutron commands for Calico setup

premoderator breaks on redirect. update to use kubespray.

Update openstack documentation with Calico

Linked to the issue https://github.com/kubernetes-incubator/kubespray/issues/1359

Fixed helm bash complete

Set default value for kube_hyperkube_image_repo

fixing a typo

Fixing up vault variables

Fixes #1334