Using a newer xosmigrate library

Change-Id: I4c205cf17670c989143ba69a815f743da3f98cec
diff --git a/Makefile b/Makefile
index 2d624e9..92cfe02 100644
--- a/Makefile
+++ b/Makefile
@@ -60,7 +60,7 @@
 venv-service:
 	virtualenv $@;\
     source ./$@/bin/activate ; set -u ;\
-    pip install -r requirements.txt xosmigrate~=3.2.1
+    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 3e3c2f1..7f8d85c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.1
+2.1.2-dev