SEBA-386 Move VTN documentation to VTN repo

Change-Id: Iced66e84b04ad266dcfc20b147e8ede6ac174bd3
diff --git a/Makefile b/Makefile
index 5b2c180..e8a972f 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@
 
 # Other repos with documentation that's included in the gitbook
 # edit the `git_refs` file with the commit/tag/branch that you want to use
-OTHER_REPO_DOCS ?= att-workflow-driver cord-tester fabric fabric-crossconnect hippie-oss kubernetes-service olt-service onos-service openolt openstack rcord simpleexampleservice exampleservice vrouter xos xos-gui xos-tosca
+OTHER_REPO_DOCS ?= att-workflow-driver cord-tester fabric fabric-crossconnect hippie-oss kubernetes-service olt-service onos-service openolt openstack rcord simpleexampleservice exampleservice vrouter xos xos-gui xos-tosca vtn-service
 GENERATED_DOCS  ?= # should be 'swagger', but currently broken
 ALL_DOCS        ?= $(OTHER_REPO_DOCS) $(GENERATED_DOCS)
 
diff --git a/SUMMARY.md b/SUMMARY.md
index 623990e..0d895d6 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -106,7 +106,7 @@
     * [AT&T Workflow Driver](att-workflow-driver/README.md)
     * [Kubernetes](kubernetes-service/kubernetes-service.md)
     * [OpenStack](openstack/openstack-service.md)
-    * [VTN](xos/xos_vtn.md)
+    * [VTN](vtn-service/README.md)
 * [Helm Reference](charts/helm.md)
     * [XOS-CORE](charts/xos-core.md)
     * [ONOS](charts/onos.md)
diff --git a/git_refs b/git_refs
index 8659fbc..9e9dd1a 100644
--- a/git_refs
+++ b/git_refs
@@ -28,4 +28,4 @@
 xos-gui               /docs    master
 xos-tosca             /docs    master
 xos                   /docs    master
-
+vtn-service           /docs    master