[VOL-2782] Update go.mod of voltha-go,open-olt-adapter,ofagent-go and voltctl to be compatible with latest version of voltha-lig-go

Change-Id: Id412be2c0111fcec147bbcd2e3c92fec52bbe376
diff --git a/VERSION b/VERSION
index 3ec1c88..b668c3b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.16-dev
+1.0.16