rebase: add controller runtime dependency

this commits add the controller runtime
and its dependency to the vendor.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/sigs.k8s.io/controller-runtime/pkg/event/doc.go

@@ -0,0 +1,28 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+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 event contains the definitions for the Event types produced by source.Sources and transformed into
+reconcile.Requests by handler.EventHandler.
+
+You should rarely need to work with these directly -- instead, use Controller.Watch with
+source.Sources and handler.EventHandlers.
+
+Events generally contain both a full runtime.Object that caused the event, as well
+as a direct handle to that object's metadata.  This saves a lot of typecasting in
+code that works with Events.
+*/
+package event