npm_and_yarn in /frontend for brace-expansion, brace-expansion, form-data, js-yaml, js-yaml, postcss, react-router, react-router, react-router, react-router, react-router, ws - Update #1486551331

npm_and_yarn in /frontend for brace-expansion, brace-expansion, form-data, js-yaml, js-yaml, postcss, react-router, react-router, react-router, react-router, react-router, ws - Update #1486551331 #114