* remove unnecessary computed props for classNames
* rollback autocomplete optimization for possible css style order issue
* update snapshots
* remove more unnecessary computed props at Input
* Run snapshot testing against all demos
* Split demo tests
* ignore coverage folder
* Upgrade antd-demo-jest
* enable cache
* intergate with coveralls.io
* Add node test
* Set worker to 2
https://github.com/facebook/jest/issues/1742
* config coverage
* Set default supportServerRender to true