ua -> device
Fix: Loader not working, if tween module was not loaded
Fix: Core not working, if sound/pool/storage/analytics module is not loaded
Fix: Optimized build script
Fix: mouseup event not firing, when mouse is out of document body
New: Added circle shape to debugDraw
Misc: Cleaning physics module
Fix: game.copy not working, if game.Container not defined
New: Added keyboard module (fix #8)
Keyboard module documentation and redefine
Merge branch 'dev'