Update rails to version 4.2.5.1
Update rails to version 4.2.5.1

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