add demo and signin pages
update
nothing
add goconfig and sqlite3
sqlite3
卢凌铜做的网页
update
update
update
register form
Merge commit 'f21f01c' into server

* commit 'f21f01c':
  register form
  update
register form解析成功
用户注册登录完成
完成登出，准备登录
update
update
merge server