[bug] 修复误将3个联接基金识别为ETF的bug

[misc] ranme

[bug] 修正基金分红时间问题

[feature] 新增下个定开时间查询

[feature] 新增最新数据factor

[feature] 计算免赎回费时间

[feature] wind 增加申购赎回费

[feature] 基金净值数据代码更新

[feature] 增加市场汇总, 修正基金复权因子计算错误

[feature] bug fix and index future basis monitor

Merge branch 'master' of github.com:jicewarwick/Tushare2MySQL

[bug] DBInterface start_date ignored error

[refactor] renaming using google python style guide

[feature] 完成FundTickers

[feature] set calendar to singleton