Add quickshuttle_

Spotted a "Quick Shuttle" bus with complimentary wireless internet access advertised on its side near http://www.openstreetmap.org/node/50751933 (Seattle Premium Outlets) intersection, checked WiGLE stumbler (already running) and saw "quickshuttle_1705" SSID in list.
See http://www.quickcoach.com/schedule.htm for service area.