Created mains scripts. Before express updates
Can:
	* Shake bones
	* Init board
	* created long backgammon pieces on need positions

 Changes to be committed:
	modified:   public/css/style.css
	modified:   public/html/index.html
	new file:   public/images/dice.png
	new file:   public/images/tables/2dboard.png
	modified:   public/js/game/board.js
	modified:   public/js/game/bones.js
	modified:   public/js/system.js