Incorporating latest ONOS fix for re-issuing flow removal requests

Change-Id: I722d466811875cb02595631b1ab27ea676021b13
diff --git a/VERSION b/VERSION
index 3b10a7f..403e252 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.0.4-dev7
+5.0.4-dev8