As of now, only support for Apex is available. This patch makes things easier
to extend support for other OPNFV installers. The patch also adds explicit
support for local OpenStack environments (e.g. deployed via devstack).
Change-Id: Ib36e8fef2418dfabbaa56b933f533650d184d4e3 Signed-off-by: Carlos Goncalves <carlos.goncalves@neclab.eu>