Login Check
-----------
check if the user is logged in.
* to login
* to logout
* to home

> `session` is **dict**. so use `dict.has_key` for check has key.
Add Template
------------

* login.html
Add setup.py
------------

	\> python setup.py

this makes default database schema automatically.

to rul setup, flask is installed.
Add Some new template (bootstrap)
Mod app.py
----------

* apply new template (bootstrap)
> home, add, login
* differ link login/logout by user login status

TODO
- 폼 다듬을 것
- 편집기 붙일 것
템플릿적용
==========

* 글보기
* 글쓰기
* 글 쓰기와 글 DB입력 함수 분리
* 글 등록 직후에는 등록 메시지가 나오도록 함

할일

마크다운 적용하자.