CORD-1638 Rename ExampleTenant and drop obsolete references

Change-Id: Ia68efa15d84e536fd2f77aa3fea7ebabfd4a18c2
diff --git a/xos/exampleservice.yaml b/xos/exampleservice.yaml
index 5594ff9..04eed5c 100644
--- a/xos/exampleservice.yaml
+++ b/xos/exampleservice.yaml
@@ -98,6 +98,24 @@
                 type: string
                 required: false
 
+    tosca.nodes.ExampleServiceInstance:
+        derived_from: tosca.nodes.Root
+        description: >
+            A ServiceInstance of the example service
+        properties:
+            kind:
+                type: string
+                default: generic
+                description: Kind of tenant
+            service_specific_id:
+                type: string
+                required: false
+                description: Service specific ID opaque to XOS but meaningful to service
+            tenant_message:
+                type: string
+                required: false
+
+    # deprecated, replaced by ExampleServiceInstance
     tosca.nodes.ExampleTenant:
         derived_from: tosca.nodes.Root
         description: >