1. update clientset, deepcopy using code-generator

2. add a dummy file tools.go to force "go mod vendor" to see
code-generator as dependencies
3. add a script to update CRD
4. add a README to document CRD updating steps
run go mod tidy
update README

vendor/gonum.org/v1/gonum/floats/doc.go

@@ -0,0 +1,11 @@
+// Copyright ©2017 The Gonum Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package floats provides a set of helper routines for dealing with slices
+// of float64. The functions avoid allocations to allow for use within tight
+// loops without garbage collection overhead.
+//
+// The convention used is that when a slice is being modified in place, it has
+// the name dst.
+package floats // import "gonum.org/v1/gonum/floats"