Adding OWNERS file for vSphere cloud-provider package

also updating license file for Govmomi library

vendor/github.com/vmware/govmomi/vim25/progress/sinker.go

@@ -0,0 +1,33 @@
+/*
+Copyright (c) 2014 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 progress
+
+// Sinker defines what is expected of a type that can act as a sink for
+// progress reports. The semantics are as follows. If you call Sink(), you are
+// responsible for closing the returned channel. Closing this channel means
+// that the related task is done, or resulted in error.
+type Sinker interface {
+	Sink() chan<- Report
+}
+
+// SinkFunc defines a function that returns a progress report channel.
+type SinkFunc func() chan<- Report
+
+// Sink makes the SinkFunc implement the Sinker interface.
+func (fn SinkFunc) Sink() chan<- Report {
+	return fn()
+}