Better handling of streaks
Remove user_id from game ranks
Make games public within a tournament

Fixed #5
Clean up and test activity feed
Always show game link if the challenge has a game
Use slugs for profiles

Ensures that profile pages are not predictable/linear
Use slugs to find users for games and challenges
Tournament activity
Add slug to tournaments
Update readme
Reorder readme instructions
Fix profile graphs
Remove twitter bootstrap gem
Add bootstrap 3 assets and fix up home page
Fix session views
Migrate all span[0-9] to col-md-[0-9]
Remove less gem
Fix new tournament form
Fix tournament and profile views
Fix game and challenge views