Fix mobile_fu
Fix mobile_fu

Since the gem was renamed, we need to require it manually...

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