This allows you to simply run `vagrant up` to get a 3 node HA cluster.

* Creates a dynamic inventory and uses the inventory/group_vars/all.yml
* commented lines in inventory.example so that ansible doesn't try to use it.
* added requirements.txt to give easy way to install ansible/ipaddr
* added gitignore files to stop attempts to save unwated files
* changed `Check if kube-system exists` to `failed_when: false` instead of
`ignore_errors`

fix api auth issue for ci tests

use a variable for api's 'root' password

Pull correct variable for etcd initial variable

This shouldn't use the `inventory_hostname` variable, as that will just yield the same variable, but rather use the `host` which we're looping over.

Fix ansible dict error on Ubuntu 14.04

This fixes the ansible error ```'dict object' has no attribute
'ansible_default_ipv4'"}```. Closes #215

Upgrade weave v1.5.0 with CNI

upgrade calico v0.19.0, calico-cni v1.2.1

Add code to detect if epel is already installed and skip it if it is

cosmetic

as per @smana request

Provide a non-default hostname for CoreOS systems.

add option for generic

Kubernetes upgrade to 1.2.2

Fix docker install on rhel7

fix add nodes to the cluster

Upgrade kubernetes v1.2.1

change hyperkube image repository

remove deprecation warns and update doc

Coreos fixes

On CoreOS where there is no package management, perform zero-trip
loops instead of throwing an exception for iterating over a member
of an undefined variable.

On CoreOS the binaries are not installed in /usr/local/bin.

Add kubernetes.default.svc in certs dns

Implemented Dynamic Provisioning of PersistentVolumes with cinder

Changed path to hosts ssl certs from /usr/share/ca-certificates to /etc/ssl/certs/ which fixes https problems in kube-controller-manager and kube-apiserver (#189) caused by the lack of certificates on debian and redhat based systems.