[VOL-4968] added mandatory uni-id optional vlan-id params, remove igmp event mechanism

Change-Id: Id103b8bb2d882b6b02ac483c44f57639fbd62ba1
diff --git a/VERSION b/VERSION
index f2380cc..0dec25d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.15.3
+1.15.0-dev
\ No newline at end of file