chore(release): 5.2.0

Update uxcore version

Update webpack.config.js

Update webpack.config.js

feat: add babel-plugin-import

add verison 5

fix bug

drop .jsx extensions

fix eslint & modify package.json

change version v4.0.4

跟进 refast 新版本 api

change version 4.0.2

Define webpack publicPath at runtime

Merge pull request #7 from nowa-webpack/gbk-patch-1

Fix build error