Clear stuck tasks on upgrade xibosignage/xibo#1222
Clear stuck tasks on upgrade
xibosignage/xibo#1222

alexharrington/xibo-cms,xibosignage/xibo-cms,dasgarner/xibo-cms,dasgarner/xibo-cms,guruevi/xibo-cms,alexharrington/xibo-cms,xibosignage/xibo-cms,alexharrington/xibo-cms,PeterMis/xibo-cms,PeterMis/xibo-cms,dasgarner/xibo-cms,guruevi/xibo-cms,PeterMis/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms,PeterMis/xibo-cms,dasgarner/xibo-cms,dasgarner/xibo-cms,guruevi/xibo-cms,dasgarner/xibo-cms,alexharrington/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms,PeterMis/xibo-cms,alexharrington/xibo-cms