Combine code between Yeri & Lauren
Change Medthods' code:
 initialize(), handleClick(), draw(), constructor in Board
 draw() in Hex
Delete Parameters of Methods:
 isAbove(), isBelow(), Hex Constructor
Change Variable name: gridSize(Board) --> boardSize
Add variables and methods: orb, isClicked, setOrb(), setClick() in Hex
Take out & Change constant value of hexagon from Hex
Clicked Tile can be unclicked
Move unused code from board.js to junk.js