Update sprockets-rails to version 3.0.4
Update sprockets-rails to version 3.0.4

codeforamerica/follow-all,BryanH/follow-all,jasnow/follow-all,jasnow/follow-all,jasnow/follow-all,BryanH/follow-all,codeforamerica/follow-all,BryanH/follow-all,codeforamerica/follow-all