{
  "private": true,
  "devDependencies": {
    "css-loader": "0.23.1",
    "reload-server-webpack-plugin": "1.0.1",
    "style-loader": "0.13.0",
    "webpack": "1.12.9"
  },
  "scripts": {
    "link": "cd .. && npm link . && cd - && npm link npm-install-loader",
    "postinstall": "npm run link",
    "start": "webpack --config webpack.config.server.js --watch"
  }
}

{
  "private": true,
  "devDependencies": {
    "css-loader": "0.23.1",
    "reload-server-webpack-plugin": "1.0.1",
    "style-loader": "0.13.0",
    "webpack": "1.12.9"
  },
  "scripts": {
    "link": "(cd .. && npm link .) && npm link npm-install-webpack-plugin",
    "postinstall": "npm run link",
    "start": "webpack --config webpack.config.server.js --watch"
  }
}

Update npm run link to use npm-install-webpack-plugin
Update npm run link to use npm-install-webpack-plugin
