move ceilometer service over from xos repo

Change-Id: I9402876545cf552675cd0a836e02e2c72fea5f6b
diff --git a/xos/synchronizer/files/docker.list b/xos/synchronizer/files/docker.list
new file mode 100644
index 0000000..0ee9ae0
--- /dev/null
+++ b/xos/synchronizer/files/docker.list
@@ -0,0 +1 @@
+deb https://get.docker.com/ubuntu docker main