message: Update: rollup version
diff: "build:css": "run-s build:css:bundle build:css:minify",
  "build:css:bundle": "postcss src/css/app.pcss -o dist/css/app.css",
  "build:css:minify": "csswring dist/css/app.css dist/css/app.min.css",
  - "watch": "run-p server watch:js watch:css",
  - "watch:js": "rollup -c --watch",
  + "watch": "run-p watch:js watch:css",
  + "watch:js": "rollup -c rollup.local.config.js --watch",
  "watch:css": "watch 'npm run build:css' src/css",
  - "server": "rollup -c rollup.local.config.js",
  "test": "run-s format lint spec",
  "format": "run-p format:js format:css",
  "format:js": "echo format:js",
  "postcss-sorting": "^2.0.1",
  "pug": "^2.0.0-rc.1",
  "pug-cli": "^1.0.0-alpha6",
  - "rollup": "^0.47.6",
  + "rollup": "^0.49.3",
  "rollup-plugin-buble": "^0.15.0",
  "rollup-plugin-commonjs": "^8.1.0",
  "rollup-plugin-json": "^2.1.0",
  