Sync manifests from non-kubeadm to kubeadm deploy

Fix some typos

Signed-off-by: Rui Cao <ruicao@alauda.io>

Move kube_kubeadm_controller_extra_args to controllerManagerExtraArgs section. It was placed in controllerManagerExtraVolumes

Fix some typos

Signed-off-by: Rui Cao <ruicao@alauda.io>

Keep list of k8s checksums for hyperkube and kubeadm

Support dynamic kubelet config

Keep a list of checksums for kubeadm and hyperkube downloads.
Makes it easier to switch version

https://kubernetes.io/blog/2018/07/11/dynamic-kubelet-configuration/

Upgrade contiv to 1.2.1 with some enhancements

terraform.tfvars.example is not correct, remove.

Fix tiller override command

Fix upgrade k8s

cert-manager: Upgrade to 0.5.0

weave: Upgrade to 2.4.1

Upstream Changes:

-   weave 2.4.1 (https://github.com/weaveworks/weave/releases/tag/v2.4.1)

Our Changes:

-   Templates sync with upstream manifests

Upstream Changes:

-   cert-manager 0.5.0 (https://github.com/jetstack/cert-manager/releases/tag/v0.5.0)

Our Changes:

-   Templates sync with upstream manifests

Monitor CoreDNS over svc

Fix #2261 by supporting Red Hat's limited PATH

Add volume and volumeMount for crio-socket

Fix download file

Document podsecuritypolicy_enabled and kubernetes_audit

Upgrade kubedns to 1.14.11

[bugfix] fix path to metallb configuration

absolute path for kubectl.

Fixes for upgrade mode

Put back legacy support for calico ippools and bgp settings