fix bug where no tag in event still inspects event for alert with tag criteria
fix bug where no tag in event still inspects event for alert with tag criteria

triplekill/MozDef,526avijitgupta/MozDef,jvehent/MozDef,netantho/MozDef,526avijitgupta/MozDef,mpurzynski/MozDef,mpurzynski/MozDef,jvehent/MozDef,DarkPrince304/MozDef,526avijitgupta/MozDef,526avijitgupta/MozDef,netantho/MozDef,gsssrao/MozDef,ameihm0912/MozDef,gdestuynder/MozDef,triplekill/MozDef,netantho/MozDef,jeffbryner/MozDef,abhijithch/MozDef,mpurzynski/MozDef,Phrozyn/MozDef,serbyy/MozDef,abhijithch/MozDef,Phrozyn/MozDef,jvehent/MozDef,eXcomm/MozDef,Phrozyn/MozDef,DarkPrince304/MozDef,jeffbryner/MozDef,mozilla/MozDef,mpurzynski/MozDef,eXcomm/MozDef,triplekill/MozDef,abhijithch/MozDef,ameihm0912/MozDef,DarkPrince304/MozDef,serbyy/MozDef,mozilla/MozDef,ameihm0912/MozDef,gsssrao/MozDef,eXcomm/MozDef,eXcomm/MozDef,gdestuynder/MozDef,Phrozyn/MozDef,serbyy/MozDef,abhijithch/MozDef,jeffbryner/MozDef,jvehent/MozDef,serbyy/MozDef,netantho/MozDef,triplekill/MozDef,mozilla/MozDef,mozilla/MozDef,gdestuynder/MozDef,gsssrao/MozDef,gdestuynder/MozDef,DarkPrince304/MozDef,jeffbryner/MozDef,gsssrao/MozDef,ameihm0912/MozDef