Imports of genfeddocs command

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/spf13/cobra/doc
k8s.io/kubernetes/cmd/genutils
k8s.io/kubernetes/federation/cmd/federation-apiserver/app
k8s.io/kubernetes/federation/cmd/federation-controller-manager/app
osPackage os provides a platform-independent interface to operating system functionality.