Ansible rework for Kubernetes cluster deployment

Replaced GKE/GCE with Google Container Engine/Google Compute Engine

Fixes #10354

Remove unused enable_node_monitoring

Detect if replicas have been defaulted in rolling-update and use old replica count

Release 0.20

remove --machines and related deprecated flags from code and docs

Adding IANA_SVC_NAME definition to docs/design/identifiers.md

Scrape latency stats from integration tests

Add --force to `kubectl update`

Updating the "invalid value" error message to include the list of valid values

Use ginkgo's new Skip()

Allowing for HTTPS Probes

Fix ubernetes shortlink in docs.

To add validation for service ports when defined as string

The testing repo now had updated packages for kubernetes
Also adding some options to rsync task to work with different users ssh settings

Back in 1a7f7245 we dropped the one
place this was used, but left all of the variable and definitions and
garbage around cluster/

update relevant tests

Add some sleep to the verification loop.

Changed ping to netcat in Internet connection test

Fixing spacing in documentation comments

EOL Google's registry caching mirror

Programming is hard, sleep 5!

Update top level logging documentation

Update guestbook-go example

proxy e2e test improvements

Update doc to reflect that only kubelet is installed directly

fix variable shadowing bug where provided RootCA would always be a nil byte slice