message: Install source-map-loader before building riot-web
diff: @@ -11,5 +11,10 @@ cd riot-web
  mkdir node_modules
  ln -s ../.. node_modules/matrix-react-sdk
  npm install
  +
  (cd node_modules/matrix-js-sdk && npm install)
  +
  +# https://github.com/webpack/webpack/issues/1472 workaround
  +(cd node_modules/matrix-react-sdk && npm install source-map-loader)
  +
  npm run test
  