Grouped dependencies

grouped-depencies.json

{
  "dependencies": {
    "base": {
        "bluebird": "3.4.0",
        "lodash": "4.5.0",
        "microtime": "2.1.1",
        "uuid": "2.0.1"
    },
    "production": {
        "pm2": "1.1.3"
    },
    "development":{
        "eslint": "2.11.1",
        "eslint-config-prototypers": "0.2.0",
        "nodemon": "1.10.2"
    },
    "testing:local": {
        "mocha": "2.4.5",
        "must": "0.13.1",    
        "sinon": "1.17.3",
        "supertest": "1.1.0"
    },
    "testing:remote": {
      "nightwatch": "0.8.18"
    }
  }
}