Modify regex so it catches the campus from the url properly and loads the correct initial_json. Fixes SPOT-2168.
Modify regex so it catches the campus from the url properly and loads the correct initial_json. Fixes SPOT-2168.

uw-it-aca/spacescout_web,uw-it-aca/spacescout_web,uw-it-aca/spacescout_web