[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
(cherry picked from commit a482f27c3a3fb2302d5cc872fb3ed390cd50a176)
diff --git a/VERSION b/VERSION
index 9cec716..23887f6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.1.6
+3.1.7