로그 알림창 유저 객체를 받는 부분 수정. chat.js
Merge branch 'dev' of https://github.com/ShinJJang/Podium into dev

# By Yeongmin Shin
# Via Yeongmin Shin
* 'dev' of https://github.com/ShinJJang/Podium:
  log - user dictionary 처리