Examine source code of Aardvark Duex

{
  "manifest_version": 2,
  "name": "Aardvark Duex",
  "version": "0.2",
  "description": "Prune web pages to highlight desired content.",
  "icons": {
    "48": "logo-48.jpg"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "48": "logo-48.jpg"
    },
    "default_title": "Aardvark"
  },
  "background": {
    "scripts": [
      "backgroundAardvark.js"
    ]
  },
  "web_accessible_resources": [
    "aardvarkhelp.gif",
    "closedbox.gif"
  ]
}