Using `jpm init` to automatically enable node packages, adding to the dependencies and overload routes set up for what `jetpack-node` supports, which is a suite of `jetpack-*` dependencies (`package.json`). User can also add their own custom dependencies and overloads (`package2.json`)

jpm-command.sh

$ jpm init
JPM info Running init on undefined
title: (My Jetpack Addon) 
name: (my-jetpack) 
version: (0.0.0) 
Enable node packages? (yes)
description: 
entry point: (index.js) 
author: 
engines (comma separated): (firefox,fennec) 
license: (MIT) 
JPM info About to write to /Users/jsantell/Dev/jetpacks/places/test/package.json:

package.json

{
  "title": "My Jetpack Addon",
  "name": "my-jetpack",
  "version": "0.0.1",
  "dependencies": {
    "jetpack-node": "*"
  },
  "overloads": {
    "fs": "jetpack-node/node_modules/jetpack-fs",
    "child_proc": "jetpack-node/node_modules/jetpack-child_proc",
    "events": "jetpack-node/node_modules/jetpack-events"
  }
}

package2.json

{
  "title": "My Jetpack Addon",
  "name": "my-jetpack",
  "version": "0.0.1",
  "dependencies": {
    "jetpack-node": "*",
    "erikvold-custom-child_proc": "*"
  },
  "overloads": {
    "fs": "jetpack-node/node_modules/jetpack-fs",
    "child_proc": "erikvold-custom-child_proc",
    "events": "jetpack-node/node_modules/jetpack-events"
  }
}