[VOL-2875] Update voltctl docs

(Cherry pick of https://gerrit.opencord.org/c/18460/)

Change-Id: I0f12410131f35533a473a5c52fc649e307802853
diff --git a/VERSION b/VERSION
index f8f3c08..ae23c6f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.18
+1.0.19-dev