Add support for generating CRD docs (#2273)

* Add support for generating CRD docs
* Correct typos in custom resource definitions

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

hack/update-swagger-docs.sh

@@ -18,7 +18,7 @@ kube::swagger::gen_types_swagger_doc() {
 
   echo "Generating swagger type docs for ${group_version} at ${gv_dir}"
 
-  sed 's/YEAR/2017/' hack/boilerplate.txt > "$TMPFILE"
+  # sed 's/YEAR/2017/' hack/boilerplate.txt > "$TMPFILE"
   echo "package ${group_version##*/}" >> "$TMPFILE"
   cat >> "$TMPFILE" <<EOF
 // This file contains a collection of methods that can be used from go-restful to