{
  "name": "nin",
  "version": "0.0.1",
  "dependencies": {
    "body-parser": "1.13.2",
    "chokidar": "1.0.5",
    "commander": "2.8.1",
    "concat-files": "0.1.x",
    "crc": "2.0.0",
    "express": "4.3.x",
    "jsonfile": "1.1.x",
    "mkdirp": "0.5.x",
    "readdir": "0.0.x",
    "rimraf": "2.4.x",
    "sockjs": "0.3.x",
    "walk": "2.2.x"
  }
}

{
  "name": "nin",
  "version": "0.0.1",
  "dependencies": {
    "body-parser": "1.15.0",
    "chokidar": "1.4.3",
    "commander": "2.9.0",
    "concat-files": "0.1.0",
    "crc": "3.4.0",
    "express": "4.13.4",
    "mkdirp": "0.5.1",
    "readdir": "0.0.13",
    "rimraf": "2.5.2",
    "sockjs": "0.3.16",
    "walk": "2.3.9"
  }
}

Update backend libs, remove unused lib
Update backend libs, remove unused lib
