Golint: make golint happy (#1433)
Golint: make golint happy (#1433)

CoreVersion needs to be documented for golint, but we can't use too much
text because we grep this file for the coredns version.
yongtang/coredns,miekg/coredns,ii/coredns,jremond/coredns,coredns/coredns,jremond/coredns,johnbelamaric/coredns,johnbelamaric/coredns,miekg/coredns,ii/coredns,chrisohaver/coredns