FuffrBox: Pong: added preliminary mechanics for affecting ball direction depending on paddle speed at collision.
FuffrBox: Pong: implemented game mechanics for affecting ball bounce direction by where it hits the paddle.
FuffrBox: Pong: ball-paddle collision parameters adjustments.
FuffrBox: Pong: refactored code, added levels, adjusted paddle bounce parameters.
FuffrBox: Pong: Moved CSS and JS code into separate files. Adjusted JS code regarding DOM init accordingly.
FuffrBox: Pong: refactored code for increased readability.
FuffrBox: Pong: refactored code for increased readability.
FuffrBox: Pong: added overlay shown at end of game. Adjusted paddle collision ball bounce parameters. Adjusted level speed increase.
Merge pull request #3 from Sionarch/master

FuffrBox Pong demo: Additional game mechanics and refactoring.