前端可新增編輯連署
bug fix
pull & request 修改
layouts/application   erb -> slim
新增欄位：pic、targeting_count
掛上 carrierwave
view 調整
分類以 weight 排序
pull & request 修改
category.can_delete? 改為非 private method、加上必填欄位驗證
Merge branch 'feature/t565' into develop