message: Remove option screw-ie8 from build.sh uglify command as it has been superseded by option ie8.
  Whereas screw-ie8 disabled support for Internet Explorer 8, option ie8 enables it so it does not need to be specified.
diff: @@ -12,7 +12,7 @@ babel src --ignore __tests__ --out-dir dist/
  echo "Bundling graphiql.js..."
  browserify -g browserify-shim -s GraphiQL dist/index.js > graphiql.js
  echo "Bundling graphiql.min.js..."
  -browserify -g browserify-shim -g uglifyify -s GraphiQL dist/index.js 2> /dev/null | uglifyjs -c --screw-ie8 > graphiql.min.js 2> /dev/null
  +browserify -g browserify-shim -g uglifyify -s GraphiQL dist/index.js 2> /dev/null | uglifyjs -c > graphiql.min.js 2> /dev/null
  echo "Bundling graphiql.css..."
  postcss --no-map --use autoprefixer -d dist/ css/*.css
  cat dist/*.css > graphiql.css
  