[VOL-3957]: Maintain meter reference counter and free up the meter from
KV store as soon as last flow referencing it is removed.

Change-Id: I1b32690e1d65a35e0d03a65aa7b2e38a38997521
diff --git a/VERSION b/VERSION
index 944880f..8ee49b2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.2.0
+3.2.1-dev