Allow keystone endpoint_type interpolation for Neutron models
 - Add 'endpoint_type' identity parameter
 - Set 'endpoint_type: internal' as a
   default parameter for 'service' reclass model (/metadata/)

Change-Id: If328588f2a6f324aec1df7b4ba7ba03ce9431855
diff --git a/README.rst b/README.rst
index efa1e7c..5ff5164 100644
--- a/README.rst
+++ b/README.rst
@@ -40,6 +40,7 @@
           user: neutron
           password: pwd
           tenant: service
+          endpoint_type: internal
         message_queue:
           engine: rabbitmq
           host: 127.0.0.1
@@ -98,6 +99,7 @@
           user: neutron
           password: pwd
           tenant: service
+          endpoint_type: internal
         message_queue:
           engine: rabbitmq
           host: 127.0.0.1
@@ -209,6 +211,7 @@
           user: neutron
           password: pwd
           tenant: service
+          endpoint_type: internal
         message_queue:
           engine: rabbitmq
           host: 127.0.0.1
@@ -317,6 +320,7 @@
           user: neutron
           password: pwd
           tenant: service
+          endpoint_type: internal
         message_queue:
           engine: rabbitmq
           host: 127.0.0.1