Also provide a new --pod-manifest-path flag and deprecate the old
--config one.
This field holds the location of a manifest file or directory of manifest
files for pods the Kubelet is supposed to run. The name of the field
should reflect that purpose.
There's been enough people broken by not committing generated code, that we
should undo that until we have a proper client that is `go get` compatible.
This is temporary.
