Repair broken urls reported by make test

VERSION
-------
  o Bump version string for the build.
  o https://docs.voltha.org/master/overview/contributing.html?highlight=version#versioning

HOWTO: Test
-----------
  o make sterile test 2>&1 | tee log
  o grep -i -e 'broken' -i 'warning' -e 'error' log

Change-Id: I1ad3b1094e67e038899b431ac4309f4b646b3964
diff --git a/VERSION b/VERSION
index c6ec532..ffbe9e2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.12.8
+2.12.9
diff --git a/howto/code/linting.rst b/howto/code/linting.rst
index 20b6fa8..feea778 100644
--- a/howto/code/linting.rst
+++ b/howto/code/linting.rst
@@ -228,7 +228,7 @@
 Sources:
 
 - `makefiles/lint <https://gerrit.opencord.org/plugins/gitiles/voltha-system-tests/+/refs/heads/master/makefiles/lint>`__
-- `makefiles/lint/license.mk <https://gerrit.opencord.org/plugins/gitiles/voltha-system-tests/+/refs/heads/master/makefiles/lint/license/include.mk>`_
+- `makefiles/lint/license.mk <http://gerrit.opencord.org/plugins/gitiles/voltha-system-tests/+/refs/heads/master/makefiles/lint/license/include.mk>`_
 
 |
 
@@ -236,7 +236,7 @@
 python: pylint
 ==============
 
-Command: `pylint <https://www.pylint.org/>`_
+Command: `pylint <http://github.com/pylint-dev/pylint>`_, `pypi.org <https://pypi.org/project/pylint/>`_
 
 .. code:: bash
 
@@ -295,7 +295,7 @@
 Sources:
 
 - `makefiles/lint <https://gerrit.opencord.org/plugins/gitiles/onf-make/+/refs/heads/master/makefiles/lint/>`__
-- `makefiles/lint/shell.mk <https://gerrit.opencord.org/plugins/gitiles/onf-make/+/refs/heads/master/makefiles/lint/shell.mk>`_
+- `makefiles/lint/shell.mk <https://gerrit.opencord.org/plugins/gitiles/onf-make/+/refs/heads/master/makefiles/lint/shell/include.mk>`_
 
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