Update slackbot consumerAlerts to run_async
Update slackbot consumerAlerts to run_async

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