Use apiextension v1

- upgrade from apiextension v1beta1 to v1
 - generate yaml manifest for crd intead of applying it at runtime
  - users will have to apply the manifest with kubectl
 - kg and kgctl log an error if the crd is not present
 - now validation should actually work

Signed-off-by: leonnicolas <leonloechner@gmx.de>

vendor/sigs.k8s.io/controller-tools/pkg/loader/paths.go

@@ -0,0 +1,32 @@
+/*
+Copyright 2019 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 loader
+
+import (
+	"strings"
+)
+
+// NonVendorPath returns a package path that does not include anything before the
+// last vendor directory.  This is useful for when using vendor directories,
+// and using go/types.Package.Path(), which returns the full path including vendor.
+//
+// If you're using this, make sure you really need it -- it's better to index by
+// the actual Package object when you can.
+func NonVendorPath(rawPath string) string {
+	parts := strings.Split(rawPath, "/vendor/")
+	return parts[len(parts)-1]
+}