Adding OWNERS file for vSphere cloud-provider package

also updating license file for Govmomi library

vendor/github.com/vmware/govmomi/object/network_reference.go

@@ -0,0 +1,30 @@
+/*
+Copyright (c) 2015 VMware, Inc. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package object
+
+import (
+	"github.com/vmware/govmomi/vim25/types"
+	"golang.org/x/net/context"
+)
+
+// The NetworkReference interface is implemented by managed objects
+// which can be used as the backing for a VirtualEthernetCard.
+type NetworkReference interface {
+	Reference
+
+	EthernetCardBackingInfo(ctx context.Context) (types.BaseVirtualDeviceBackingInfo, error)
+}