Added 5GTANGO lightweight lifecycle manager (LLCM).

This (optional) module allows to directly deploy
5GTANGO service packages on the emulator. This
allows for very quick prototyping of small 5GTANGO
services. It is a copy of the old SONATA DummyGatekeeper
component.

Change-Id: I61d8e5b5a4e0f682a52316de7330d95cf794a4a1
Signed-off-by: peusterm <manuel.peuster@uni-paderborn.de>