pep8 modify space
Merge branch 'master' of github.com:KimMinJeong/Collabo into KMJ
Merge pull request #29 from KimMinJeong/KMJ

pep8 modify space
use backref , Add name
Merge pull request #30 from KimMinJeong/KMJ

use backref , Add name
Merge branch 'master' of github.com:KimMinJeong/Collabo into board_main_contents

Conflicts:
	Board/Board_main.py
	Board/templates/board_top.html
	Board/templates/contents.html