some clean up

Mainly adding some comments, and some function renaming

protocol.go

@@ -92,7 +92,6 @@ func NewFailure(reason string) *Failure {
 }
 
 func addPlayer(ws *websocket.Conn) {
-	// route to appropriate game ...
 	var gid GameID
 	err := websocket.JSON.Receive(ws, &gid)
 	if err != nil {
@@ -184,7 +183,6 @@ func addPlayer(ws *websocket.Conn) {
 		p.recv()
 		log.Printf("game %s: player %v has been disconnected from this game\n", gid.Id, p.Robot.Id)
 	case "spectator":
-		//return nil, nil
 		s := &Spectator{
 			send: make(chan *Boardstate),
 			ws:   ws,