bundle
Merge pull request #12 from SmileZero/develop

merge develop for heroku
Merge pull request #14 from SmileZero/develop

update choir search
Merge pull request #16 from SmileZero/develop

add choir detail page
update user css and add seed for test
delete image
Merge pull request #17 from SmileZero/feature/update_user_css

Feature/update user css