[VOL-5407] Bump version to 0.4.0

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: I2e86b54904dcf90258297227938859e2b064967c
diff --git a/VERSION b/VERSION
index 25a5afd..1d0ba9e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.4.0-dev
+0.4.0