Added .gitreview

Change-Id: I2d40c493ee10ded61e416e79ceec8eb81ba64256
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..014c0c1
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "classes/system"]
+	path = classes/system
+	url = https://gerrit.mcp.mirantis.net/salt-models/reclass-system