Examine source code of Voracious

{
  "name": "__MSG_appName__",
  "version": "0.1.3resigned1",
  "manifest_version": 2,
  "description": "__MSG_appDescription__",
  "icons": {
    "16": "icons/icon-16.png",
    "128": "icons/icon-128.png"
  },
  "default_locale": "en",
  "permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "contentscript.js"
      ],
      "css": [
        "annotate.css"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "browser_action": {
    "default_icon": {
      "19": "icons/icon-19.png",
      "38": "icons/icon-38.png"
    },
    "default_title": "Voracious"
  },
  "web_accessible_resources": [
    "annotate.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ac6275b2-674f-49de-9ac8-268297fd132b}"
    }
  }
}