[modify] destroy task when revision was destroyed
[modify] destroy task when revision was destroyed

shirasagi/shirasagi,MasakiInaya/shirasagi,sunny4381/shirasagi,sunny4381/shirasagi,shirasagi/ss-handson,tany/ss,mizoki/shirasagi,itowtips/shirasagi,MasakiInaya/shirasagi,shirasagi/shirasagi,ShinjiTanimoto/shirasagi,mizoki/shirasagi,MasakiInaya/shirasagi,itowtips/shirasagi,mizoki/shirasagi,tany/ss,shirasagi/shirasagi,mizoki/shirasagi,tany/ss,ShinjiTanimoto/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,itowtips/shirasagi,shirasagi/ss-handson,shirasagi/ss-handson,MasakiInaya/shirasagi,tany/ss,ShinjiTanimoto/shirasagi,itowtips/shirasagi,ShinjiTanimoto/shirasagi,shirasagi/ss-handson,sunny4381/shirasagi