* add tox for test

* fix model bugs
* fix crontab task errors
* improve for updating scrapy settings in django

* 修复文档错误

整合中美两国省一级单位疫情日统计数据

* 整合中国省（自治区、直辖市）、美国各州疫情日统计数据
* 调整接口地址，统一使用 province 代表省（自治区、直辖市）、州
* 更新接口文档

* add states daily list api

* update docs
* add web analysis for demo page

* add states api for USA (data source: http://covidtracking.com/)

* add locale files

* update setup.cfg

upgrade to a basic django app

* delete unnecessary models

* update spider for new models
* update api for new models
* update docs

* fix name error with provincey

Merge pull request #1 from leafcoder/develop

merge develop branch