Add Nova v2.1 API endpoint

In Juno cycle, we started to implement Nova v2.1 API and most part
has been implemented now.
For using/testing the API, this patch adds the endpoint setting to
devstack.

Change-Id: I25557cb2b0a1384ee11d3e1ae7d424828e766e50
diff --git a/files/default_catalog.templates b/files/default_catalog.templates
index 9016355..a18d38f 100644
--- a/files/default_catalog.templates
+++ b/files/default_catalog.templates
@@ -12,6 +12,12 @@
 catalog.RegionOne.compute.name = Compute Service
 
 
+catalog.RegionOne.computev21.publicURL = http://%SERVICE_HOST%:8774/v2.1/$(tenant_id)s
+catalog.RegionOne.computev21.adminURL = http://%SERVICE_HOST%:8774/v2.1/$(tenant_id)s
+catalog.RegionOne.computev21.internalURL = http://%SERVICE_HOST%:8774/v2.1/$(tenant_id)s
+catalog.RegionOne.computev21.name = Compute Service V2.1
+
+
 catalog.RegionOne.volume.publicURL = http://%SERVICE_HOST%:8776/v1/$(tenant_id)s
 catalog.RegionOne.volume.adminURL = http://%SERVICE_HOST%:8776/v1/$(tenant_id)s
 catalog.RegionOne.volume.internalURL = http://%SERVICE_HOST%:8776/v1/$(tenant_id)s