Allow the following parameters to be configured in the cluster model

agent_down_time
dhcp_agents_per_network
allow_automatic_dhcp_failover
rpc_conn_pool_size
rpc_thread_pool_size
rpc_response_timeout
report_interval

oslo_messaging change for Queens here:
http://gerrit.mcp.mirantis.com/33457

Change-Id: Ica83263681fca1e28121f84e5ddd2d2259149359
Related-Prod: PROD-26334
Related-Prod: PROD-26314
diff --git a/README.rst b/README.rst
index 2812d40..281b710 100644
--- a/README.rst
+++ b/README.rst
@@ -30,6 +30,9 @@
         dhcp_lease_duration: 600
         firewall_driver: iptables_hybrid
         agent_boot_time: 180
+        agent_down_time: 30
+        dhcp_agents_per_network: 2
+        allow_automatic_dhcp_failover: true
         bind:
           address: 172.20.0.1
           port: 9696
@@ -55,6 +58,9 @@
           user: openstack
           password: pwd
           virtual_host: '/openstack'
+          rpc_conn_pool_size: 30
+          rpc_thread_pool_size: 100
+          rpc_response_timeout: 120
         metadata:
           host: 127.0.0.1
           port: 8775
@@ -210,6 +216,7 @@
       gateway:
         enabled: True
         version: mitaka
+        report_interval: 10
         dhcp_lease_duration: 600
         firewall_driver: iptables_hybrid
         message_queue:
@@ -219,6 +226,9 @@
           user: openstack
           password: pwd
           virtual_host: '/openstack'
+          rpc_conn_pool_size: 300
+          rpc_thread_pool_size: 2048
+          rpc_response_timeout: 3600
         local_ip: 192.168.20.20 # br-mesh ip address
         dvr: True # disabled for non DVR use case
         agent_mode: dvr_snat
@@ -250,9 +260,13 @@
           user: openstack
           password: pwd
           virtual_host: '/openstack'
+          rpc_conn_pool_size: 300
+          rpc_thread_pool_size: 2048
+          rpc_response_timeout: 3600
         local_ip: 192.168.20.20 # br-mesh ip address
         dvr: True # disabled for non DVR use case
         agent_mode: dvr
+        report_interval: 10
         external_access: false # Compute node with DVR for east-west only, Network Node has True as default
         metadata:
           host: 127.0.0.1