Setup cellsv2 for Nova

Run "nova-manage cell_v2 simple_cell_setup --transport_url ..." after
Nova is started. This will add all compute hosts into a new cell, and
setup a db for cell0.

Change-Id: I50a955b97d0e18426406c15397bdfbc9e807d908
Depends-On: I559f9c87e89926414b368cac9442dec4eadcb89b
diff --git a/stack.sh b/stack.sh
index 68e3d93..948475a 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1263,6 +1263,7 @@
     echo_summary "Starting Nova"
     start_nova
     create_flavors
+    create_cell
 fi
 if is_service_enabled cinder; then
     echo_summary "Starting Cinder"