Merge pull request #6 from QuynhChen/master

drop piece button
Merge pull request #7 from QuynhChen/master

prettier board
Merge pull request #8 from QuynhChen/tile

update player1 tile
Merge pull request #9 from QuynhChen/master

new board, need to fix sizing
ddMerge branch 'master' of https://github.com/PDAQ/connectfour
update JS