New package defines .kubernetes_auth format.

Refactored common code to that package.
Subsequent PRs will load and emit these files.
New package defines .kubernetes_auth format.

Refactored common code to that package.
Subsequent PRs will load and emit these files.
Send events from kubelet.

Accept argument specifying file with kubernetes_auth file.
Make an api client in kubelet.
Send events to apiserver.