Update sprockets dependency to version 2.2.2
Update sprockets dependency to version 2.2.2

Stackato-Apps/adopt-a-hydrant,jamiekelly/adopt-a-hydrant,codeforboston/adopt-a-hydrant,billyfung/van-racks,billyfung/van-racks,OpenTwinCities/adopt-a-tree,friendlycode/adopt-a-hydrant,codeforsavannah/adopt-a-garden,codeforamerica/adopt-a-hydrant,0111001101111010/adopt-a-spot-odu,t-pfaff/adopt-a-hydrant,voyera/adopt-a-hydrant,baraka101/dar-adopt-a-mtaro,baraka101/dar-adopt-a-mtaro,Bryanprz/adopt-a-street,codeforanchorage/adopt-a-hydrant,jamiekelly/adopt-a-hydrant,friendlycode/adopt-a-hydrant,CostantinB/adopt-a-hydrant,billyfung/van-racks,code4sac/adopt-a-light,codefornigeria/adopt-a-hydrant,HackMichiana/adopt-a-bus-stop,codeforsavannah/adopt-a-garden,CostantinB/adopt-a-hydrant,codefornigeria/adopt-a-hydrant,openshift-quickstart/adopt-a-hydrant-openshift-quickstart,HackMichiana/adopt-a-bus-stop,eebbesen/adopt-a-tree,OpenTwinCities/adopt-a-tree,0111001101111010/adopt-a-spot-odu,jasnow/adopt-a-hydrant,voyera/adopt-a-hydrant,OpenTwinCities/adopt-a-tree,OpenTwinCities/adopt-a-tree,jamiekelly/adopt-a-hydrant,Stackato-Apps/adopt-a-hydrant,codeforboston/adopt-a-hydrant,openshift-quickstart/adopt-a-hydrant-openshift-quickstart,Stackato-Apps/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,jasnow/adopt-a-hydrant,codefornigeria/adopt-a-hydrant,akintoey/adopt-a-hydrant,friendlycode/adopt-a-hydrant,jasnow/adopt-a-hydrant,code4sac/adopt-a-light,voyera/adopt-a-hydrant,baraka101/dar-adopt-a-mtaro,Bryanprz/adopt-a-street,CostantinB/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,codeforanchorage/adopt-a-hydrant,Bryanprz/adopt-a-street,eebbesen/adopt-a-tree,akintoey/adopt-a-hydrant,openshift-quickstart/adopt-a-hydrant-openshift-quickstart,t-pfaff/adopt-a-hydrant,t-pfaff/adopt-a-hydrant,eebbesen/adopt-a-tree,akintoey/adopt-a-hydrant