Merge pull request #25 from SmileZero/develop

change css include way
Merge pull request #26 from SmileZero/develop

fix membership_fee on new choir
Merge pull request #27 from SmileZero/develop

fix input for founded_at in new choir
Merge pull request #29 from SmileZero/develop

[feature]Update choir
delete set founder when update choir
Merge pull request #30 from SmileZero/hotfix/delete_useless_update_choir

Hotfix/delete useless update choir