message: CLI doesn't need regenerator-runtime dep.
diff: "polymer-linter": "=3.0.0-pre.7",
  "polymer-project-config": "^3.14.0",
  "polyserve": "^0.27.9",
  - "regenerator-runtime": "^0.11.1",
  "request": "^2.72.0",
  "rimraf": "^2.6.1",
  "semver": "^5.3.0",
  