chore(pkg): gulp-clean-css 3.4.0 - close #580, webpack 2.6.0 - close #579, webpack-bundle-size-analyzer 2.7.0 - close #578, jsdom 11.0.0 - close #577, autoprefixer 7.1.1 - close #576
chore(pkg): gulp-clean-css 3.4.0 - close #580, webpack 2.6.0 - close #579, webpack-bundle-size-analyzer 2.7.0 - close #578, jsdom 11.0.0 - close #577, autoprefixer 7.1.1 - close #576

localnerve/react-pwa-reference,localnerve/react-pwa-boilerplate,localnerve/react-pwa-reference,localnerve/react-pwa-boilerplate