deploy update
Updates and formatting to azure scripts.
Update cert generation for Azure.
Remove Azure from icebox.
Update README.md

Update Azure.
Bring Azure guide up to date.
Rearrange cluster sanity checks for Azure.
Merge readme changes.
fix typos
Fix Azure util.sh boilerplate.
Fix and update logging documentation
Make master take authenticator.Request interface instead of tokenfile
Upload extras from _output, not main repo.
Improve kubectl "get" error message

Previous behavior:
$ kubectl get hosts
F1119 11:47:44.787154   29017 resource.go:111] no resource "hosts" has been defined
Don't blindly delete stuff on GCS
Merge pull request #2464 from uberj/doc_typo_fix

fix typos
Add image related events to kubelet.
Merge pull request #2477 from dchen1107/upstream1

Add image related events to kubelet.
Merge pull request #2463 from liggitt/auth_plugin

Make master take authenticator.Request interface instead of tokenfile
Merge pull request #2468 from hmrm/improve-kubectl-error-message

Improve kubectl "get" error message