Nodepool should use more of the rax-ord quota

* .../templates/nodepool/nodepool.yaml.erb: Increase max-servers in
rax-ord to 92, since the quota there is 100.

Change-Id: Ie3fb939959274bdd723047bdd4fe28401d913561

modules/openstack_project/templates/nodepool/nodepool.yaml.erb

@@ -75,7 +75,7 @@ providers:
     project-id: '<%= rackspace_project %>'
     auth-url: 'https://identity.api.rackspacecloud.com/v2.0/'
     boot-timeout: 120
-    max-servers: 60
+    max-servers: 92
     rate: 0.001
     images:
       - name: devstack-precise