Tab과 Stat을 분리 또는 통합한다

분리된 모습

<img width="1042" alt="screen shot 2018-02-18 at 15 37 32" src="https://user-images.githubusercontent.com/26966551/36349177-2989ae5e-14c4-11e8-885a-73e37fa567c3.png">

통합된 모습

<img width="1040" alt="screen shot 2018-02-18 at 15 53 58" src="https://user-images.githubusercontent.com/26966551/36349178-33a9d634-14c4-11e8-8cf1-fbfea2f1556d.png">

무엇이 무엇이 나을까요~