Set ExtractTextPlugin.allChunks to true (#1027)
Set ExtractTextPlugin.allChunks to true (#1027)

* When using CommonsChunkPlugin and there are extracted chunks (from ExtractTextPlugin.extract) in the commons chunk, allChunks must be set to true
https://github.com/webpack-contrib/extract-text-webpack-plugin

* Explicitly set allChunks to false along with some useful info on codesplit chunks (credit to @LinusBorg)

* Update webpack.prod.conf.js

twcapps/vue-typescript-boilerplate,vuejs-templates/webpack,twcapps/vue-typescript-boilerplate,Toilal/vue-webpack-template,twcapps/vue-typescript-boilerplate,neonblack-at/webpack,neonblack-at/webpack,Toilal/vue-webpack-template,Toilal/vue-webpack-template,twcapps/vue-typescript-boilerplate,neonblack-at/webpack,Toilal/vue-webpack-template,vuejs-templates/webpack,vuejs-templates/webpack