Add PVC to Katib (#1687)
Add PVC to Katib (#1687)

* Add PVC to Katib

Add persistency to Katib database in ksonnet prototye

* fix database pvc

kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow