link move, add collide checking, can't finish game yet.
Merge branch 'feature/dev-yuyu-official' into develop

Conflicts:
	public/js/game.client.js
collide instead of die log
fix and update move event.
when player press kb, update player pos first, then send pos to server.
nothing
update chatroom and send message
node package add node-uuid
press space to attack
game over and restart navigate bug fixed