Merge pull request #46 from KimMinJeong/kej_branch

Kej branch
day1022 UI modify
day1023 UI modify
Merge pull request #47 from KimMinJeong/ksk_branch

Ksk branch
modify UI, BoardController
Merge pull request #48 from KimMinJeong/ksk_branch

modify UI, BoardController
merge with ksk