added argument parser to consumer.py
added argument parser to consumer.py

redhat-imaging/imagefactory,LalatenduMohanty/imagefactory,jmcabandara/imagefactory,henrysher/imagefactory,jmcabandara/imagefactory,henrysher/imagefactory,LalatenduMohanty/imagefactory,redhat-imaging/imagefactory