replace only specific message variables
replace only specific message variables

this avoids errors when using {} in message strings

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