{
  "name": "menu-calendar",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "dependencies": {
    "babel": "^5.8.23",
    "babel-core": "^5.8.25",
    "configstore": "^1.2.1",
    "googleapis": "^2.1.5",
    "leveldown": "^1.4.2",
    "linvodb3": "^3.11.1",
    "lodash": "^3.10.1",
    "menubar": "^2.2.1",
    "moment": "^2.10.6",
    "node-fetch": "^1.3.2",
    "q": "^1.4.1",
    "querystring": "^0.2.0",
    "react": "^0.14.2",
    "react-addons-css-transition-group": "^0.14.2",
    "react-dom": "^0.14.2",
    "react-router": "^1.0.0-rc1",
    "redux": "^3.0.2"
  },
  "devDependencies": {
    "electron-prebuilt": "^0.34.2",
    "electron-rebuild": "^1.0.2"
  },
  "scripts": {
    "start": "./node_modules/.bin/electron .",
    "rebuild": "./node_modules/.bin/electron-rebuild",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC"
}

{
  "name": "menu-calendar",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "dependencies": {
    "babel": "^5.8.23",
    "babel-core": "^5.8.25",
    "configstore": "^1.2.1",
    "googleapis": "^2.1.5",
    "leveldown": "^1.4.2",
    "linvodb3": "^3.11.1",
    "lodash": "^3.10.1",
    "menubar": "^2.2.1",
    "moment": "^2.10.6",
    "node-fetch": "^1.3.2",
    "q": "^1.4.1",
    "querystring": "^0.2.0",
    "react": "^0.14.2",
    "react-addons-css-transition-group": "^0.14.2",
    "react-dom": "^0.14.2",
    "react-router": "^1.0.0-rc1",
    "redux": "^3.0.2"
  },
  "devDependencies": {
    "electron-prebuilt": "^0.34.2",
    "electron-rebuild": "^1.0.2"
  },
  "scripts": {
    "postinstall": "npm run rebuild",
    "start": "./node_modules/.bin/electron .",
    "rebuild": "./node_modules/.bin/electron-rebuild",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC"
}

Add rebuild to postinstall script
Add rebuild to postinstall script
