Using a newer xosmigrate library

Change-Id: I809b0f88f2263976a8c19c28c90021313cc7c752
diff --git a/VERSION b/VERSION
index 6085e94..c9a5712 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.1
+1.2.2-dev