add hexagon.js
add copyright to hexagon.js
add drawPath to hexagon.js
adddrawPathTile
add Offset-Axial coordinate transform
combine canvas with angular
getSeletedTile takes care of offset
1) fix coordinate transform 2) rough implement updateUI
side bug
radius bug
plot tile ok
add getSelectedTile
put token ok
gameLogic createMove() call by reference bug
add button
plot token
hexgon take care of coordinate transform
change board size
refine UI
use triangle token