Add glide.yaml and vendor deps

vendor/k8s.io/kubernetes/cluster/saltbase/README.md

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+# SaltStack configuration
+
+This is the root of the SaltStack configuration for Kubernetes. A high
+level overview for the Kubernetes SaltStack configuration can be found [in the docs tree.](../../docs/admin/salt.md)
+
+This SaltStack configuration currently applies to default
+configurations for Debian-on-GCE, Fedora-on-Vagrant, Ubuntu-on-AWS and
+Ubuntu-on-Azure. (That doesn't mean it can't be made to apply to an
+arbitrary configuration, but those are only the in-tree OS/IaaS
+combinations supported today.) As you peruse the configuration, these
+are shorthanded as `gce`, `vagrant`, `aws`, `azure-legacy` in `grains.cloud`;
+the documentation in this tree uses this same shorthand for convenience.
+
+See more:
+* [pillar](pillar/)
+* [reactor](reactor/)
+* [salt](salt/)
+
+
+[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/cluster/saltbase/README.md?pixel)]()