Add copyright and license details
Add COPYING.txt
Update bower.json, package.json
Add How To Play content.
- add how-to modal
- add images for how-to modal
jshint fixes
removed old background image
Bug fixes & ajax game updating
- fix bug in app.py when looking up non-existent game
- add periodic ajax game updating
- refactor rdio web playback init / playing code a bit
- reorganize game over modal code a bit as well
Handle error when PATCHing a non-existent game
- also, reorg winner modal code a bit