#19 extract the funtion render to app.js
#20 add variable and mixin in the less files
#21 Do codes good format.(NotFixed)
#22 In UserDao, we can use daoHelper.find() instead of query.list() Edit
#23 Use WebGet to do get data, and use WebPost to do save update delete data
Merge pull request #24 from LiuXian/liu_0123

Liu 0123