VOL-4925 - Build and release components.

VERSION
-------
  o Bump version string for a release build.

makefiles
---------
  o Import more library based makefile logic.
  o Several lint targets added, disabled by default but can be used by name.
  o Removed pyenv dependency to support simple checking by shell iteration.

Misc
----
  o Bulk copyright notice update to 2023

Change-Id: I3a6668be96b3e03966f8fb72ceba72c0b947ba6e
diff --git a/makefiles/lint/robot.mk b/makefiles/lint/robot.mk
index ec5579e..f33c4ba 100644
--- a/makefiles/lint/robot.mk
+++ b/makefiles/lint/robot.mk
@@ -1,6 +1,6 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2017-2022 Open Networking Foundation
+# Copyright 2017-2023 Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -28,7 +28,9 @@
 
 .PHONY: lint-robot
 
-lint : lint-robot
+ifndef NO-LINT-ROBOT
+  lint : lint-robot
+endif
 
 lint-robot: vst_venv
 	source ./$</bin/activate \