Examine source code of Less Distracting Reddit

{
  "manifest_version": 2,
  "name": "Less Distracting Reddit",
  "version": "0.5",
  "description": "Kill Reddit front page + other features to make Reddit a little less distracting.",
  "icons": {
    "48": "img/icon.png",
    "96": "img/icon2x.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*"
      ],
      "js": [
        "src/UrlParser.js",
        "src/kill.js"
      ]
    }
  ],
  "options_ui": {
    "open_in_tab": false,
    "page": "options/options.html"
  },
  "permissions": [
    "storage"
  ],
  "applications": {
    "gecko": {
      "id": "lessdistractingreddit@jaksim.eu"
    }
  }
}