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 remote-tracking branch 'origin/leaderboard'
Add token printing

people_controller.rb
- Move QR code generation to app/services/token.rb
- Add mime type application/pdf to “show” for generation of printable token
- Add GET/people/1/print_token to invoke printing of token

app/services/token.rb
- Moved QR code generation to here
- Added creation of token PDF based on different media types

config/initializers/qr_code.rb
- set configuration of media. Currently DC03 => 29 X 90 mm DC04 => 38 X 90 mm for Brother QL-5XX printers.

Gemfile.lock
- Merged from “leaderboard” on “public_activity”