Update arel dependency to version 2.1.3
Update arel dependency to version 2.1.3

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