Takes your tree and checks for package.json in every folder and runs npm
in every folder.
You can add arguments when running the command
$ npm-recursive --cmd upgrade
npm upgrade v1.1.0
success All of your dependencies are up to date.
Done in 0.22s.
Current npm path: YOUR_PATH/npm-recursive/package.json...
End of npms
$ npm-recursive --cmd upgrade --opt <package-name>