Extending error message for 'voltctl log level list' command

Change-Id: I429163b7973280094d98a8c0836195a1168760fe
diff --git a/VERSION b/VERSION
index e25d8d9..25b6557 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.5
+1.1.6-dev