misc:runstat: count max order win and loss in MarketRunStat

1, Count max order win and loss in MarketRunStat.
2, Rename maxWin to maxOrderWin, maxLoss to maxOrderLoss.
3, Tranlate all commentaries to Chinese.
4, Add commentaries for arguments of methods.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>