RUNTIME_CONFIG="experimental/v1=true" to the server.

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Merge pull request #13723 from ingvagabund/fix-incorrect-replacement-of-util-CheckErr-for-resource-NewBuilder

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util.CheckErr(err)

with

if err != nil {
	return err
}

One replacement is incorrent. The current call of resource.NewBuilder is returned in r variable. Which was tested with util.CheckErr(r.Err()) before cd7d78b6 commit. It was replaced by

if err != nil {
	return err
}

which is incorrect as err is not set by resource.NewBuilder call. The correct use is

err := r.Err()
if err != nil {
	return err
}

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Return all errors at a time when resources violate limitrange to
provide users better experience.

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Change '--enablerepo=update-testing' to '--enablerepo=updates-testing' to keep align with the command output.

in api.ObjectMeta.  Add more tests.

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Add mount dirs to docker multi-node scripts

Add default version to docker-multi scripts

Fixed a markdown error in rackspace.md

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Fix verify-descriptions.sh

Support setting env vars in kubectl run

Improve reliability of salt-minion on vagrant master

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Add ubuntu kube-push for upgrading of k8s cluster

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