migrate code over from xos repo

Change-Id: I764ac3196babdb1ce78dded2b2d8d6ad6e965ca6
diff --git a/xos/synchronizer/model_policies/model_policy_ControllerUser.py b/xos/synchronizer/model_policies/model_policy_ControllerUser.py
new file mode 100644
index 0000000..b69c9b8
--- /dev/null
+++ b/xos/synchronizer/model_policies/model_policy_ControllerUser.py
@@ -0,0 +1,16 @@
+def handle(controller_user):
+    from core.models import ControllerUser, User
+   
+    try:
+        my_status_code = int(controller_user.backend_status[0])
+        try:
+            his_status_code = int(controller_user.user.backend_status[0])
+        except:
+            his_status_code = 0
+ 
+        if (my_status_code not in [0,his_status_code]):
+            controller_user.user.backend_status = controller_user.backend_status
+            controller_user.user.save(update_fields = ['backend_status'])
+    except Exception,e:
+        print str(e)	
+        pass