Bulk wiki url fix for 'make linkcheck'

howto/code/linting.rst
howto/elections/urls
howto/release/components/onos_components.rst
howto/release/preparation.rst
howto/release/voltha-docs/release_notes.rst
index.rst
overview/contributing.rst
overview/contributing/copyright.rst
release_notes/template.rst
release_notes/voltha_2.12.rst
---------------------------------------------
  o Wiki server attack rendered several doc links unusable.
  o Overhead for make linkcheck target is painful, 1-3 min timeout per URL.
  o Redirect broken URLs to wiki.opencord.org to avoid overhead.

Change-Id: I1a0045c4b71a936a55ff003b810cb7a1611a28a2
diff --git a/index.rst b/index.rst
index 3dd6fa7..757a74d 100644
--- a/index.rst
+++ b/index.rst
@@ -106,7 +106,7 @@
 
 VOLTHA is an open source project led by a technical steering team that holds weekly meetings.
 You can find more information about the TST, community, meetings, mailing lists and slack channels
-in the `VOLTHA wiki page <https://wiki.opennetworking.org/display/COM/VOLTHA>`_
+in the `VOLTHA wiki page <https://wiki.opencord.org>`_
 
 
 .. toctree::