Merge pull request #92 from openconfig/detect-deleted-files-as-breaking · openconfig/models-ci@5bb9ae5

should have a package comment

exported method DiffReport.Sort should have comment or be unexported

exported function GetAllYANGFiles should have comment or be unexported

exported type ValidatorAndVersion should have comment or be unexported

should have a package comment

package comment should be of the form "Package yangutil ..."

should have a package comment

if block ends with a return statement, so drop this else and outdent its block

package comment should be of the form "Package ocdiff ..."

don't use ALL_CAPS in Go names; use CamelCase

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