add vSGWU services

Change-Id: I8fb098b5cf81a6dc9061b6fd4187ce62164997c7
diff --git a/xos/synchronizer/stop.sh b/xos/synchronizer/stop.sh
new file mode 100644
index 0000000..2fc4f94
--- /dev/null
+++ b/xos/synchronizer/stop.sh
@@ -0,0 +1,2 @@
+# Kill the observer
+pkill -9 -f vsgwu-synchronizer.py