EM-WEBPACK

!Known issues:

• for the momment we cannot update webpack to version ^2.0.0;
• we cannot update postcss-loader to ^2.0.0 because of the new postcss.config.js;
• we cannot update extract-text-webpack-plugin to version ^2.0.0 because of webpack ^2.0.0 dependecy;
• we cannot update sass-loader to version ^6.0.0 because of webpack ^2.0.0 dependecy;