Allow keystone endpoint_type interpolation for reclass models

- Add 'endpoint_type' identity parameter
- Set 'endpoint_type: internalURL' as a default parameter for
  'service' reclass model (/metadata/)

Change-Id: I9626989e2e13e6acd2f83b020709913abc841da3
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..796cb52
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,4 @@
+[gerrit]
+host=gerrit.mcp.mirantis.net
+port=29418
+project=salt-formulas/horizon.git