dia.CellView: prevent DOM exceptions when invalid attrs provided (#1205)
dia.CellView: prevent DOM exceptions when invalid attrs provided (#1205)


vtalas/joint,kumilingus/joint,clientIO/joint,kumilingus/joint,clientIO/joint,DavidDurman/joint,DavidDurman/joint,clientIO/joint,kumilingus/joint,vtalas/joint,kumilingus/joint,clientIO/joint,DavidDurman/joint,vtalas/joint