Document jira link creation and persistent content.
overview/contributing/jira_tickets.rst
--------------------------------------
o Added a howto for attaching URLs to a jira ticket.
o Note jenkins jobs disappear due to aging, suggest including a {gerrit,github} url as well.
[HOWTO: test]
% git clone ssh://gerrit.opencord.org:29418/voltha-docs.git
% cd voltha-docs
% git review -d I6582baab45ebafc37324cddd5afd5f8331e0c6d1
% make reload
% make lint
% make test
Change-Id: I6582baab45ebafc37324cddd5afd5f8331e0c6d1
diff --git a/VERSION b/VERSION
index 965c65d..a86d0e4 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.12.20
+2.12.21