compass: set encoding to prevent encoding error when compiling css files with unicode
compass: set encoding to prevent encoding error when compiling css files with unicode

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