b759f67ee3
Added a kubelet config source for watching pods on apiserver. The pods are converted to boundpods for merging with other config sources. The preferred way to create a kubelet is now to pass an apiserver client but not an etcd client. Changed cmd/integration to use apiserver to talk to kubelets. And cmd/kubernetes. Unit, integration, and e2e tests pass, except for a failure of the pd e2e test which was unrelated.