Including PPPoE App in the voltha-onos upstream image

Change-Id: Ie39806ffe9ab640472578655766cacc485a0bbee
diff --git a/VERSION b/VERSION
index 1e796af..c687169 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.1.0-dev13
+5.1.0-dev14