Update version for 4.0.1 release

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
diff --git a/VERSION b/VERSION
index fcdb2e1..1454f6e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.0.0
+4.0.1