extracted strategy for qr code generation
using new endpoint for qr code images
using public activity to track qr code scans
simple leaderboard
added a basic styling for the stream
some styling for leaderboard
some more styling for leaderboard and news feed
added default url options for test and production
wizard prep for rook weekend
added image selector and super hero images
fix vcard download on androids
added fields and updated cuke
Merge pull request #7 from StephenSmithwick/leaderboard

Leaderboard and activity stream