nova-agent-builder.sh updated FreeBSD make=>gmake to function, alias not working for default shell
nova-agent-builder.sh updated FreeBSD make=>gmake to function, alias not working for default shell

rackerlabs/openstack-guest-agents-unix,joejulian/openstack-guest-agents-unix,joejulian/openstack-guest-agents-unix,rackerlabs/openstack-guest-agents-unix,rackerlabs/openstack-guest-agents-unix,joejulian/openstack-guest-agents-unix