message: Upgrade the shelljs version
diff: "modclean": "2.1.0",
  "nodeunit": "0.11.0",
  "serve-static": "1.10.0",
  - "shelljs": "0.6.0",
  + "shelljs": "0.7.8",
  "typedoc": "0.3.12",
  "typescript": "2.4.2",
  "webfont": "^4.0.0"
  