Using released apps and releasing voltha-onos 5.0.1 for VOLTHA 2.8

Change-Id: I63361ba676f1f0d8849e775c9b33378f03ad744d
diff --git a/VERSION b/VERSION
index a1adb54..6b244dc 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.0.1-dev3
+5.0.1