Update VolumeSnapshot CRD version to v1beta

preserveUnknownField set to false, comments updates, adding pull request annotation
more comment updates
VolumeSnapshot comments
rename to VolumeSnapshotClassName
adding license

deploy/kubernetes/rbac.yaml

@@ -45,6 +45,9 @@ rules:
   - apiGroups: ["snapshot.storage.k8s.io"]
     resources: ["volumesnapshotcontents"]
     verbs: ["create", "get", "list", "watch", "update", "delete"]
+  - apiGroups: ["snapshot.storage.k8s.io"]
+    resources: ["volumesnapshotcontents/status"]
+    verbs: ["update"]
   - apiGroups: ["snapshot.storage.k8s.io"]
     resources: ["volumesnapshots"]
     verbs: ["get", "list", "watch", "update"]