This leaves `pkg/kubelet/server/server.go` looking a little ugly as there is an extra layer of "config" structs that isn't needed. This is left as a TODO for now.
Part of #108.
Also:
* Added hyperkube cmd (not built by default yet).
* Added version support to hyperkube
* Remove health_check_minions flag from apiserver as it is no longer used with #3733