Make sure that notification aren't added twice
Make sure that notification aren't added twice

liqd/adhocracy,phihag/adhocracy,alkadis/vcv,phihag/adhocracy,DanielNeugebauer/adhocracy,liqd/adhocracy,DanielNeugebauer/adhocracy,alkadis/vcv,liqd/adhocracy,alkadis/vcv,DanielNeugebauer/adhocracy,alkadis/vcv,phihag/adhocracy,phihag/adhocracy,liqd/adhocracy,alkadis/vcv,phihag/adhocracy,DanielNeugebauer/adhocracy,DanielNeugebauer/adhocracy