Add webpack 2 RC compatibility
Add webpack 2 RC compatibility
brightbytes/extract-css-chunks-webpack-plugin,shifteee/extract-text-webpack-plugin,shifteee/extract-text-webpack-plugin,webpack-contrib/extract-text-webpack-plugin,webpack-contrib/extract-text-webpack-plugin,brightbytes/extract-css-chunks-webpack-plugin,faceyspacey/extract-css-chunks-webpack-plugin,lcxfs1991/extract-text-webpack-plugin,faceyspacey/extract-css-chunks-webpack-plugin,lcxfs1991/extract-text-webpack-plugin