changed devise config
Merge remote-tracking branch 'original/master'
Merge commit 'b9820bfe39b6e693661d2d5e5ec0f719610342eb'

# By hokun.baek
# Via hokun.baek
* commit 'b9820bfe39b6e693661d2d5e5ec0f719610342eb':
  update gitignore
fetch
added devise i18n
changed gemfile
merge chat
Merge pull request #6 from nije/master

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