message: update launchpad@^v0.6.0
diff: "chalk": "^1.1.1",
  "cleankill": "^1.0.3",
  "freeport": "^1.0.4",
  - "launchpad": "^0.5.0",
  + "launchpad": "^0.6.0",
  "promisify-node": "^0.4.0",
  "selenium-standalone": "^5.8.0",
  "which": "^1.0.8"
  