webpack: publicPath hardcoded & font's issues

[benoror]

• http://stackoverflow.com/questions/34133808/webpack-ots-parsing-error-loading-fonts#comment56028052_34133809
• https://github.com/gowravshekar/font-awesome-webpack/issues/6

[benoror]

Fix proposal: by getting the host in webpack.make.js using standard Node helpers