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

Stackato-Apps/adopt-a-hydrant,jasnow/adopt-a-hydrant,Stackato-Apps/adopt-a-hydrant,Stackato-Apps/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,jasnow/adopt-a-hydrant,jasnow/adopt-a-hydrant