Code changes for VOL-3928 Voltctl support to list flow groups

Change-Id: I4e374a0c837511f41bed25937f70c5781133debf
diff --git a/VERSION b/VERSION
index 9f05f9f..ec70f75 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.6.5
+1.6.6