0.21.0

tl;dr: drop webpack 1 support and some minor update to the base theme.

Details

• Removed: webpack 1 support. Config has been updated to only match webpack 2.
  (#991/e58e9d5 - @MoOx)
• Fixed: avoid loaderUtils.parseQuery() warning
  (#991/658a704 - @MoOx)

Base theme

• Removed: webpack 1 support. Config has been updated to only match webpack 2.
  (#991/2f997c3 - @MoOx)
• Removed: json-loader is not required with webpack 2
  (#991/1f7428b - @MoOx)
• Fixed: webpack 2 / extract-text-webpack-plugin warnings
  (#991/a516ac2 - @MoOx)
• Fixed: avoid loaderUtils.parseQuery() warning with webpack 2
  (#991/27d55bb - @MoOx)
• Changed: Client side Polyfill now include es6 features for IE 11 compat.
  (#963 - @MoOx)
• Changed: minor change to react version in package.json
  (#991/69156db - @MoOx)
• Updated(base theme): css-loader, postcss-loader & file-loader to latest versions
  (#991/cd074ca - @MoOx)
• Changed(base theme): use babel-preset-env instead of babel-preset-latest (which is deprecated now)
  (#991/8766ee8 - @MoOx)