Install metering_agent.ini and vpn_agent.ini
Install metering_agent.ini and vpn_agent.ini

Fixes Bug: 1221451
Change-Id: I83c4e4e0cfd6605930acfcc4f69ea9ece35abc24

dougwig/x-neutron-vpnaas,citrix-openstack-build/neutron-vpnaas,openstack/neutron-vpnaas,openstack/neutron-vpnaas