Update Catalan translation to 91f984c.
Update Catalan translation to 91f984c.

spixi/diaspora,SuperTux88/diaspora,geraspora/diaspora,Muhannes/diaspora,jhass/diaspora,Amadren/diaspora,Amadren/diaspora,Amadren/diaspora,Flaburgan/diaspora,diaspora/diaspora,despora/diaspora,diaspora/diaspora,Muhannes/diaspora,diaspora/diaspora,jhass/diaspora,geraspora/diaspora,Flaburgan/diaspora,Flaburgan/diaspora,Muhannes/diaspora,despora/diaspora,spixi/diaspora,despora/diaspora,KentShikama/diaspora,KentShikama/diaspora,geraspora/diaspora,KentShikama/diaspora,KentShikama/diaspora,diaspora/diaspora,Muhannes/diaspora,SuperTux88/diaspora,geraspora/diaspora,SuperTux88/diaspora,jhass/diaspora,spixi/diaspora,despora/diaspora,spixi/diaspora,Flaburgan/diaspora,Amadren/diaspora,SuperTux88/diaspora,jhass/diaspora