Using a newer xosmigrate library

Change-Id: I3ddf8820de240bee72273d049acfda9c5dfa8b72
diff --git a/Makefile b/Makefile
index 888888c..6020874 100644
--- a/Makefile
+++ b/Makefile
@@ -63,7 +63,7 @@
 venv-service:
 	virtualenv $@;\
     source ./$@/bin/activate ; set -u ;\
-    python venv-service/bin/pip install -r requirements.txt xosmigrate~=3.2.1
+    python venv-service/bin/pip install -r requirements.txt xosmigrate~=3.2.6
 
 create-migration: venv-service
 	source ./venv-service/bin/activate; set -u;\
diff --git a/VERSION b/VERSION
index 6085e94..c9a5712 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.1
+1.2.2-dev