Change Plugin Scenario name

This commit helps keep the naming in this plugin consistent with
other plugins

Change-Id: If5aebc96c17db65830a4286e286afbac428ff604

rally/rally-plugins/subnet-router-create/subnet-router-create.py

@@ -15,8 +15,8 @@ from rally.plugins.openstack.scenarios.neutron import utils as neutron_utils
 from rally.task import types
 from rally.task import validation
 
-class NeutronPlugin(neutron_utils.NeutronScenario,
-                    scenario.Scenario):
+class BrowbeatPlugin(neutron_utils.NeutronScenario,
+                     scenario.Scenario):
 
     @types.convert(image={"type": "glance_image"},
                    flavor={"type": "nova_flavor"})

rally/rally-plugins/subnet-router-create/subnet-router-create.yml

@@ -3,7 +3,7 @@
 {% set sla_max_seconds = sla_max_seconds or 60 %}
 {% set num_networks = num_networks or 1 %}
 ---
-NeutronPlugin.create_router_and_net:
+BrowbeatPlugin.create_router_and_net:
   -
     args:
       network_create_args: {}