Updated openstack/openstack
Project: openstack-dev/devstack  067106e477543a5f09a53b5d31080b6a7c09d359

Makes vpn plugin configurable

Currently, it is hardcoded and not good for those who have their
own vpn plugin developed.

Change-Id: I6244040dd2abea016556cd515e06f53edbb993a0
Closes-bug: 1339977