Miek Gieben e49ca86ce4 cleanup: go vet and golint run (#736)
* cleanup: go vet and golint run

Various cleanups trickered by go vet and golint.

* Fix tests and lowercase all errors

Lowercase all errors, some tests in kubernetes use errors from
kubernetes which do start with a capital letter.
2017-06-14 09:37:10 -07:00
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