updated todo list
relative hud size
not using player speed anymore
move clear screen function into game.js
do not need to divide this by 2
render a few extra tiles offscreen to make movement transitions a little smoother
took out stuff from readme not in the game
newGame function, for resetting game state
made list of things needed for v1
moved "in view" camera check into own function, faster for v8
make code look a bit more consistent
include players in hud
reuse player, board variables, make board an entitiy
share movement rules with client for "pseudo client-side prediction"
updated hud update function, made function tol ook up all players
remove board positon code, not used anymore
remove TILESIZE global from sprite, make the function a bit smarter
remove global context from sprite - start displaying player sprite in menu