* NoticeIcon: using Dropdown instead of Popover.

* NoticeIcon: using 100% width on mobile

* New component `HeaderDropdown`

* Using PureComponent because of refs

* feat: add count prop for NoticeIconTab component.(ant-design-pro#2216)
prop count is not required.

* feat: unread notice message demo

* add new feature: click the clear button or list item to close the pop-up

* add the new property: clickClose and set the value: true

* add the new property: clearClose

* update d.ts and  .md

* add eslint-disable-line

* SelectLang: languages options don't need to be translated

* fix e2e tests when `PORT` is set in `.env`

* prettier: fix glob by adding single quotes.

* prettier: running prettier after glob fix

* Add name prop for NoticeIconTab in order to support clear-by-type when using i18n.

* Fix typo

You can pass a react element like a custom icon from icon moon instead of an image.

* fix some errors found during use

* fix some errors found during use

* Replace  "string | React.ReactNode" with  React.ReactNode

* replace with * as React

* remove excess property

* 增加AvatarList d.ts说明文件

* 修改 axis的链接 , g2修改了新的官网

* AvatarList 增加判断是否为必须属性

* 删除无用的空行.  优化格式

* 修改错误的图表文档. 增加几处漏写的文档

* 添加图表的 描述文件chart.d.ts

* 改了个错别字!

* 增加CountDown d.ts描述文件

* 增加 DescriptionList  d.ts描述文件

* 增加所有剩余对外开发的组件 .d.ts
完善一些文档

* fontWeight 推荐使用 number 来表示数字