Update json dependency to version 1.6.6
Update json dependency to version 1.6.6

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