Fully objectifying app.js
Moving setInterval to game.js
Removing call to restart() inside of app.js
Game is now an object
Adding require.js and main.js
Passing app to game via init method rather than injecting with requirejs
Calling addListeners in the game init method
Merge branch 'feature/requirejs-integration' into dev
Merge remote-tracking branch 'origin/dev' into feature/lives-display
Lives indicator styles