message: fix prod webpack build config (less breaking build)
diff: @@ -14,16 +14,31 @@ const config = require('./config')
  exec('rm -rf dist/')
  base.devtool = 'cheap-source-map'
  base.module.loaders.push(
  + {
  + test: /\.less$/,
  + use: ExtractTextPlugin.extract(
  + {
  + fallback: 'style-loader',
  + use: ['css-loader','less-loader']
  + }
  + )
  + },
  {
  test: /\.css$/,
  - use: ExtractTextPlugin.extract({fallback: 'style-loader', use: 'css-loader'})
  + use: ExtractTextPlugin.extract(
  + {
  + fallback: 'style-loader',
  + use: 'css-loader'
  + }
  + )
  }, {
  test: /\.scss$/,
  - use: ExtractTextPlugin.extract({fallback: 'style-loader', use: ['css-loader', 'sass-loader']}),
  - },
  + use: ExtractTextPlugin.extract(
  {
  - test: /\.less$/,
  - use: ExtractTextPlugin.extract({fallback: 'style-loader', use: ['css-loader', 'sass-loader']})
  + fallback: 'style-loader',
  + use: ['css-loader', 'sass-loader']
  + }
  + ),
  }
  )
  // a white list to add dependencies to vendor chunk
  