fix typos
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
apiVersion -> version
Rolling back apiVersion change
Upload "naked" binaries with releases.

Fixes #2476
updated services with more details on public ips
Merge pull request #2481 from jbeda/extra-fix

Tweak build upload scripts