Implementing kyushukyuhai.

プロトコル
```
<-  {"type":"ryukyoku","actor":3,"reason":"kyushukyuhai"}
->  {"type":"ryukyoku","reason":"kyushukyuhai","actor":3,"tehais":[["?","?","?","?","?","?","?","?","?","?","?","?","?"],["?","?","?","?","?","?","?","?","?","?","?","?","?"],["?","?","?","?","?","?","?","?","?","?","?","?","?"],["1m","5mr","1p","9p","1s","1s","2s","5s","9s","S","W","N","F","9p"]],"tenpais":[false,false,false,false],"deltas":[0,0,0,0],"scores":[20900,24900,23800,30400]}
```
ログ
https://drive.google.com/file/d/0Bw_bA_jVTQrWekFHTjYxelRwc2M/edit?usp=sharing