暂时关闭bootstrap功能，因windows上无法调试
删除上次article/comment没有删除干净的文件
生成organizationMVC:
1. rails g controller organizations index new edit show;
2. rails g model organization name:string note:text
3. 修改db/migrate/**_create_organization.rb: 'create_table :organizations do |t|' to 'create_table :organizations, id:false, :primary_key => :name do |t|'
删除上次未删干净的文件article/comment
不能正常运行