resurrect calendar notifier from https://reviewboard.twitter.biz/r/171652
resurrect calendar notifier from https://reviewboard.twitter.biz/r/171652





rosmo/aurora,medallia/aurora,crashlytics/aurora,mschenck/aurora,protochron/aurora,apache/aurora,rosmo/aurora,thinker0/aurora,shahankhatch/aurora,rosmo/aurora,mkhutornenko/incubator-aurora,rosmo/aurora,medallia/aurora,medallia/aurora,shahankhatch/aurora,protochron/aurora,protochron/aurora,wfarner/aurora,shahankhatch/aurora,thinker0/aurora,apache/aurora,mkhutornenko/incubator-aurora,apache/aurora,rosmo/aurora,mschenck/aurora,crashlytics/aurora,kidaa/aurora,apache/aurora,rosmo/aurora,mschenck/aurora,crashlytics/aurora,rdelval/aurora,crashlytics/aurora,rdelval/aurora,kidaa/aurora,mschenck/aurora,mkhutornenko/incubator-aurora,mkhutornenko/incubator-aurora,kidaa/aurora,crashlytics/aurora,apache/aurora,kidaa/aurora,apache/aurora,wfarner/aurora,thinker0/aurora,rdelval/aurora,rdelval/aurora,protochron/aurora,protochron/aurora,mkhutornenko/incubator-aurora,medallia/aurora,shahankhatch/aurora,medallia/aurora,kidaa/aurora,rdelval/aurora,medallia/aurora,shahankhatch/aurora,wfarner/aurora,wfarner/aurora,thinker0/aurora,thinker0/aurora,wfarner/aurora,rdelval/aurora,mschenck/aurora,kidaa/aurora,thinker0/aurora,wfarner/aurora,mschenck/aurora,shahankhatch/aurora,crashlytics/aurora,protochron/aurora