show series without login
Merge pull request #14 from kdh0428/master

로그인 안했을 때도 시리즈 보이기
when login just first time, redirect to settings page
As er typed user's correctly, redirect to main page
print user nickname in main/watch_log
Merge pull request #18 from kdh0428/master

#16, #17 이슈 해결
Merge pull request #19 from jeyraof/develop

0.6.1