Enable nosdn-fdio scenarios for Fraser release

Enable nosdn-fdio scenarios for Fraser release

- Update neutron NSDriver patch
- Update os-net-config to fix config errors for vpp uio-driver
- Update puppet-tripleo to add configuration of physnets and type_driver
  in vpp agent
- Update THT to change VPP environment file for vpp-agent, and add common.yaml
  for vpp interface mapping
- Update VPP and networking-vpp version to 18.01
- Fix networking-vpp rpm build to enable proper uninstall.
- Update networking settings file to use ovs_bridge as default external interface type

JIRA: APEX-578
JIRA: APEX-568
JIRA: APEX-576
JIRA: APEX-577

apex-os-net-config: I915d5455acb8d496438b9c9e851639d3a43e6fa9
apex-puppet-tripleo: I472879b8f67e64b571638a0385943597a9120e6c
apex-tripleo-heat-templates: I5dfaf85d67fb038109edaf5c5d8a3e901b9148f4

Change-Id: I369bee232bfafef260d2ef19ac32614fdc487271
Signed-off-by: Feng Pan <fpan@redhat.com>