Making OLTs host+port combination unique to prevent duplicates

Change-Id: I51c4c2a882d0561b4af145885c485229e200587e
diff --git a/VERSION b/VERSION
index 348fc11..ea4bd0f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.12
+2.1.13