add carrierwave error messages
add carrierwave error messages

despora/diaspora,Flaburgan/diaspora,diaspora/diaspora,jhass/diaspora,Flaburgan/diaspora,diaspora/diaspora,geraspora/diaspora,jhass/diaspora,diaspora/diaspora,diaspora/diaspora,jhass/diaspora,geraspora/diaspora,geraspora/diaspora,SuperTux88/diaspora,Flaburgan/diaspora,despora/diaspora,SuperTux88/diaspora,jhass/diaspora,geraspora/diaspora,SuperTux88/diaspora,despora/diaspora,SuperTux88/diaspora,despora/diaspora,Flaburgan/diaspora