使用SQLAlchemy访问数据库，做了一个小的user的demo以供参考
去除多余的li标签
Merge branch 'master' of https://github.com/huangxinms/leaftime
增加Form层作为验证层，用views中的代码调用form，写一个例子以供参考
Merge remote-tracking branch 'origin/develop'
update .gitignore
add note model
add note model and template