Updating username designation to pull from the many fields that could populate it.
Updating username designation to pull from the many fields that could populate it.

jeffbryner/MozDef,mozilla/MozDef,Phrozyn/MozDef,gdestuynder/MozDef,mpurzynski/MozDef,mozilla/MozDef,Phrozyn/MozDef,mpurzynski/MozDef,mozilla/MozDef,mozilla/MozDef,Phrozyn/MozDef,gdestuynder/MozDef,gdestuynder/MozDef,mpurzynski/MozDef,jeffbryner/MozDef,jeffbryner/MozDef,jeffbryner/MozDef,gdestuynder/MozDef,Phrozyn/MozDef,mpurzynski/MozDef