Update To Go 1.14.4

The kubernetes project has been updated to use Go 1.14.4. See below pull
request.

https://github.com/kubernetes/kubernetes/pull/88638

After making the updates to Go 1.14 "make gen" no longer worked. The
file hack/tools.go had to be created to get "make gen" working with Go
1.14.

vendor/github.com/go-openapi/jsonpointer/go.mod

@@ -0,0 +1,9 @@
+module github.com/go-openapi/jsonpointer
+
+require (
+	github.com/go-openapi/swag v0.19.5
+	github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e // indirect
+	github.com/stretchr/testify v1.3.0
+)
+
+go 1.13