Release XOS 4.0.1

Change-Id: Id045fc08181875b37bd2236bec4c9e237e7c190f
diff --git a/VERSION b/VERSION
index 05f4c08..1454f6e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.0.1-dev0
+4.0.1