Examine source code of evQueue

{
  "manifest_version": 2,
  "name": "evQueue",
  "version": "1.39",
  "description": "evQueue browser plugin",
  "homepage_url": "http://www.evqueue.net",
  "author": "Thibault Kummer",
  "icons": {
    "16": "htdocs/images/favicon-16x16.png",
    "32": "htdocs/images/favicon-32x32.png",
    "48": "htdocs/images/favicon-48x48.png",
    "96": "htdocs/images/favicon-96x96.png",
    "128": "htdocs/images/favicon-128x128.png"
  },
  "permissions": [
    "storage"
  ],
  "optional_permissions": [
    "notifications"
  ],
  "background": {
    "scripts": [
      "browser-plugin/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "htdocs/images/favicon-32x32.png",
    "default_title": "evQueue"
  },
  "options_ui": {
    "page": "/htdocs/index.html?loc=settings",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{435bf769-8aac-4253-8ca0-252d314a32aa}"
    }
  }
}