Using a newer xosmigrate library

Change-Id: I1562517fc9599f1a8fa4df948c2d291bbd65a43d
diff --git a/VERSION b/VERSION
index 7ec1d6d..7c7e096 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.0
+2.1.1-dev