Examine source code of O'Splits

{
  "manifest_version": 2,
  "default_locale": "en",
  "name": "__MSG_appName__",
  "description": "__MSG_appDescription__",
  "version": "0.99.2resigned1",
  "icons": {
    "16": "icon/icon16.png",
    "48": "icon/icon48.png",
    "128": "icon/icon128.png"
  },
  "background": {
    "persistent": false,
    "scripts": [
      "js/background.js"
    ]
  },
  "page_action": {
    "default_icon": "icon/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "file:///*"
      ],
      "js": [
        "js/detector.js"
      ]
    }
  ],
  "applications": {
    "gecko": {
      "id": "osplit@damsy.net"
    }
  },
  "permissions": [
    "tabs",
    "http://*/",
    "https://*/",
    "file:///*"
  ]
}