增加exists判断，以及建database的命令
增加基本的登录逻辑,修改登录页面对于错误信息的样式
删除get_xxx方法
重构代码，符合PEP8规范
unicode编码
add Makefile
Merge pull request #6 from liaofeng/Makefile

add Makefile
add local_config.py
display note
Merge pull request #7 from liaofeng/master

display note, add local_config.py
use note template
Merge pull request #8 from liaofeng/show_note

use note template
增加公共的登录验证模块，其中包含登录及注销方法
fix bug of import filename
Merge remote-tracking branch 'origin/develop'

Conflicts:
	leaf/views/hello.py