Conversion generated code changes for golint fix
Conversion generated code changes for golint fix

The exported or public functions requires a doc comment to pass golint.
This commit has changes of conversion generated code. The actual doc
changes are added into a separate commit for a clean review.

Kubernetes-commit: 08639023d027e0b69e3b3e5535b04148e084b1bd

caesarxuchao/sample-apiserver,caesarxuchao/sample-apiserver,kubernetes-nightly/sample-apiserver,kubernetes/sample-apiserver,kubernetes-nightly/sample-apiserver,caesarxuchao/sample-apiserver,kubernetes/sample-apiserver