Latest olt purge Meter API use in OLT and igmp proxy improvments

Change-Id: Id2e0f25514795ab21a58f1776026013ae0055d70
diff --git a/VERSION b/VERSION
index de9ff71..3ba2da3 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.1.0-dev9
+4.1.0-dev10