* feat: use @ant-design/icons@4.0
* feat: use createFromIconfontCN to make site works
* feat: update doc for Icon
* feat: use icon in component Alert
* feat: use icon in component Avatar
* feat: use icon in component Breadcrumb
* feat: use icon in component Button
* feat: use icon in component Cascader
* feat: use icon in component Collapse
* feat: use icon in component Datepicker
* feat: use icon in component Dropdown
* feat: use icon in component Form
* feat: use icon in component Input
* feat: use icon in component InputNumber
* feat: use icon in component Layout
* feat: use icon in component Mention
* feat: use icon in component Message
* feat: use icon in component Modal
* feat: use icon in component Notification
* feat: use icon in component PageHeader
* feat: use icon in component Pagination
* feat: use icon in component Popconfirm
* feat: use icon in component Progress
* feat: use icon in component Rate
* feat: use icon in component Result
* feat: use icon in component Select
* feat: use icon in component Step
* feat: use icon in component Switch
* feat: use icon in component Table
* feat: use icon in component Tab
* feat: use icon in component Tag
* feat: handle rest component which using Icon
* fix: remove unused vars
* feat: use latest alpha ant design icons
* fix: failed test in uploadlist.test.js
* test: update snapshot for icons
* doc: add Icon for site
* doc: use @ant-design/icons in site
* chore: use latest icons
* fix: tslint issue
* fix: test cases
* fix: types for react
* fix: lint rules for import orders
* fix: use @ant-design/icons@4.0.0-alpha.5 to avoid insert css in server render
* fix: eslint error in demo/**.md
* inject antd icons
* update snapshot
* fix site
* doc: update docs
* fix: code snippets icon in site
* feat: use latest @ant-design/icons
* fix: icon props in message
First of all, thank you for your contribution! :-)
Please makes sure that these checkboxes are checked before submitting your PR, thank you!
* [x] Make sure that you propose PR to right branch: bugfix for `master`, feature for latest active branch `feature-x.x`.
* [x] Make sure that you follow antd's [code convention](https://github.com/ant-design/ant-design/wiki/Code-convention-for-antd).
* [x] Run `npm run lint` and fix those errors before submitting in order to keep consistent code style.
* [x] Rebase before creating a PR to keep commit history clear.
* [ ] Add some descriptions and refer relative issues for you PR.
Extra checklist:
**if** *isBugFix* **:**
* [ ] Make sure that you add at least one unit test for the bug which you had fixed.
**elif** *isNewFeature* **:**
* [ ] Update API docs for the component.
* [ ] Update/Add demo to demonstrate new feature.
* [ ] Update TypeScript definition for the component.
* [ ] Add unit tests for the feature.
* 修复了<Button>{0}</Button> 显示异常的bug
* Fix the bug<Button>{0}</Button> display abnormal
* Fix the bug<Button>{0}</Button> display abnormal
* Unit test writing error
* Unit tests were added to test the rendering of {0}, 0, {false} respectively
* Fix Tooltip won't hide at disabled button
closereact-component/tooltip#18
* change button text in test case
* Add comments for display attribute
* correct test case
