Use protocol-relative URLs for external JavaScripts
Use protocol-relative URLs for external JavaScripts

Closes #24.

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