fix package.json
fix package.json
modify user.auth_admin, add canOperateShop boolean for user
add Admin actions delete user,change user permission(canOperateShop isAdmin)
add a bootstrap plugin(pop window 4kb), add 2 link(from home -> admin from admin -> home ,note.ejs  for warning if user have no permission)
admin add logout link
Merge pull request #4 from zs1621/master

添加超级管理员后台的权限处理