Howto release doc additions

code/release-bugfix.rst
-----------------------
  o Howto create a release branch patch

howto/release/overview.rst
--------------------------
  o Early writeup of release actions.
  o Edits needed for both branch=release and branch=master

Change-Id: I34ecc54217b2f185f7737f3244fceb2a4ddf4c5d
diff --git a/VERSION b/VERSION
index 14f37ac..719c84e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.12.13
+2.12.14