Fix event emit
Remove obsolete globals and strict in modules
Extend Pong from EventEmitter, refactor events use across code and examples
Refactor player event emitter
Fix broken bind in random colors example
Fix random balls example
Fix shrink player example
Update readme with new usage of event emitters
Add player.setY, fix docs typo, add number of hits counter
Add ball setters on Pong class, update docs
Merge branch 'master' of github.com:KanoComputing/Pong.js