Add cache busting query string to api.
Add cache busting query string to api.

This works around a problem in Chrome when
the user browses to the api, then clicks back.

Stift/Klondike,jochenvangasse/Klondike,jochenvangasse/Klondike,fhchina/Klondike,fhchina/Klondike,themotleyfool/Klondike,fhchina/Klondike,davidvmckay/Klondike,davidvmckay/Klondike,Stift/Klondike,Stift/Klondike,themotleyfool/Klondike,themotleyfool/Klondike,davidvmckay/Klondike,jochenvangasse/Klondike