Split used memory on used, caches and buffers

add script for wrapping saved from Grafana dashboard specifications

since this is stack chart now

Dummy alert specifications were removed.

Removing anpiserver cert error documentation; no longer occurs

manifests: don't skip apiserver cert verification

remove grafana watcher

Generate k8s config & operator v0.6.0

Documentation for adding kube-prometheus to K8s on AWS w KOPS.

dashboards: fix all nodes dashboard

fix memory/disk gauges and use rate

upgrade grafana image to 4.1.1

hack/cluster-monitoring: hide expected errors and print meaning

hack/*: use kubectl apply where possible

There is an issue with kubectl apply and third party resources, so for
the time being we use create for TPRs, but apply for all manifests that
it can handle.