適当にREADME追記した
Merge branch 'feature/improve-readme' into staging/master
Fix devide question api test into comment api
Add API::Comment
Merge branch 'fix/comment-api' into staging/master
Add comment_evaluation table schema
Fix add dependency lib
Add CommentEvaluation Service with test
Add comment evaluate api
Merge branch 'feature/comment-updown-api' into staging/master
Add .travis.yml
Merge branch 'travis-ci' into staging/master