Update sprockets to version 3.3.4
Update sprockets to version 3.3.4

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