Change how server address is specified

now you spell it as such:

gobot -addr wss://hackerbots.us
gobot -addr ws://localhost:8666

cmd/botspectate/main.go

@@ -11,8 +11,7 @@ import (
 	"hackerbots.us/server"
 )
 
-var serverHostname = flag.String("server", "localhost", "server hostname")
-var port = flag.Int("port", 8666, "server port")
+var addr = flag.String("addr", "ws://localhost:8666", "server hostname")
 var forceJSON = flag.Bool("json", false, "force json encoding")
 
 func main() {
@@ -26,8 +25,7 @@ func main() {
 	}
 
 	c := &client.Client{
-		Server:      *serverHostname,
-		Port:        *port,
+		Server:      *addr,
 		Name:        "bspect",
 		GameId:      gameId,
 		ForceJSON:   *forceJSON,