Add Fprint, Fprintf, Fprintln to NoErrorCheck whitelist

[uudashr]

I think add Fprint* is a good idea.
I'm using it to handle error such as:

if err != nil {
  fmt.Fprintln(os.Stderr, "Oops:", err)
  os.Exit(1)
}

[uudashr]

@gcmurphy please check

[gcmurphy]

Can you rebase your change on the laster master?

[ccojocar]

Rebased on PR-166. This can be closed.

[gcmurphy]

Close. Thanks for contribution.