VOL-2020 re-release to get proper version tag; add go.mod file

Change-Id: I97af22349c731d953ec8e5cc7db2c3a38fce9fc7
diff --git a/VERSION b/VERSION
index 6d7de6e..21e8796 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.2
+1.0.3