Merge "Add linuxbridge as option to ansible"

ansible/roles/neutron/defaults/main.yml

ansible/roles/neutron/tasks/config.yml

ansible/roles/neutron/tasks/start.yml

ansible/roles/neutron/templates/dhcp_agent.ini.j2

ansible/roles/neutron/templates/dnsmasq.conf.j2

ansible/roles/neutron/templates/l3_agent.ini.j2

ansible/roles/neutron/templates/metadata_agent.ini.j2

ansible/roles/neutron/templates/ml2_conf.ini.j2

ansible/roles/neutron/templates/neutron.conf.j2

ansible/roles/nova/templates/nova.conf.j2

...mmon/neutron/neutron-linuxbridge-agent/config-external.sh

docker/common/neutron/neutron-linuxbridge-agent/start.sh

docker/common/neutron/neutron-openvswitch-agent/start.sh

etc/kolla/config/neutron/neutron-linuxbridge-agent.conf

etc/kolla/globals.yml